20979691040

素因数分解:

$2^5\times 5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1511}}^1$

素因数の和:1581

約数の個数: 384

約数和(自身を含む): 65840947200

約数和(自身を除く): 44861256160

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 23, 28, 32, 35, 40, 44, 46, 49, 55, 56, 70, 77, 80, 88, 92, 98, 110, 112, 115, 140, 154, 160, 161, 176, 184, 196, 220, 224, 230, 245, 253, 280, 308, 322, 343, 352, 368, 385, 392, 440, 460, 490, 506, 539, 560, 616, 644, 686, 736, 770, 784, 805, 880, 920, 980, 1012, 1078, 1120, 1127, 1232, 1265, 1288, 1372, 1511, 1540, 1568, 1610, 1715, 1760, 1771, 1840, 1960, 2024, 2156, 2254, 2464, 2530, 2576, 2695, 2744, 3022, 3080, 3220, 3430, 3542, 3680, 3773, 3920, 4048, 4312, 4508, 5060, 5152, 5390, 5488, 5635, 6044, 6160, 6440, 6860, 7084, 7546, 7555, 7840, 7889, 8096, 8624, 8855, 9016, 10120, 10577, 10780, 10976, 11270, 12088, 12320, 12397, 12880, 13720, 14168, 15092, 15110, 15778, 16621, 17248, 17710, 18032, 18865, 20240, 21154, 21560, 22540, 24176, 24794, 25760, 27440, 28336, 30184, 30220, 31556, 33242, 34753, 35420, 36064, 37730, 39445, 40480, 42308, 43120, 45080, 48352, 49588, 52885, 54880, 56672, 60368, 60440, 61985, 63112, 66484, 69506, 70840, 74039, 75460, 78890, 83105, 84616, 86240, 86779, 90160, 99176, 105770, 116347, 120736, 120880, 123970, 126224, 132968, 139012, 141680, 148078, 150920, 157780, 166210, 169232, 173558, 173765, 180320, 198352, 211540, 232694, 241760, 243271, 247940, 252448, 265936, 278024, 283360, 296156, 301840, 315560, 332420, 338464, 347116, 347530, 370195, 382283, 396704, 423080, 433895, 465388, 486542, 495880, 518273, 531872, 556048, 581735, 592312, 603680, 631120, 664840, 694232, 695060, 740390, 764566, 814429, 846160, 867790, 930776, 973084, 991760, 1036546, 1112096, 1163470, 1184624, 1216355, 1262240, 1329680, 1388464, 1390120, 1480780, 1529132, 1628858, 1692320, 1702897, 1735580, 1861552, 1911415, 1946168, 1983520, 2073092, 2326940, 2369248, 2432710, 2591365, 2659360, 2675981, 2776928, 2780240, 2961560, 3058264, 3257716, 3405794, 3471160, 3723104, 3822830, 3892336, 4072145, 4146184, 4653880, 4865420, 5182730, 5351962, 5560480, 5701003, 5923120, 6116528, 6515432, 6811588, 6942320, 7645660, 7784672, 8144290, 8292368, 8514485, 9307760, 9730840, 10365460, 10703924, 11402006, 11846240, 11920279, 12233056, 13030864, 13379905, 13623176, 13884640, 15291320, 16288580, 16584736, 17028970, 18615520, 18731867, 19461680, 20730920, 21407848, 22804012, 23840558, 26061728, 26759810, 27246352, 28505015, 30582640, 32577160, 34057940, 37463734, 38923360, 41461840, 42815696, 45608024, 47681116, 53519620, 54492704, 57010030, 59601395, 61165280, 65154320, 68115880, 74927468, 82923680, 85631392, 91216048, 93659335, 95362232, 107039240, 114020060, 119202790, 130308640, 131123069, 136231760, 149854936, 182432096, 187318670, 190724464, 214078480, 228040120, 238405580, 262246138, 272463520, 299709872, 374637340, 381448928, 428156960, 456080240, 476811160, 524492276, 599419744, 655615345, 749274680, 912160480, 953622320, 1048984552, 1311230690, 1498549360, 1907244640, 2097969104, 2622461380, 2997098720, 4195938208, 5244922760, 10489845520, 20979691040]

約数ペア:

[(1, 20979691040), (2, 10489845520), (4, 5244922760), (5, 4195938208), (7, 2997098720), (8, 2622461380), (10, 2097969104), (11, 1907244640), (14, 1498549360), (16, 1311230690), (20, 1048984552), (22, 953622320), (23, 912160480), (28, 749274680), (32, 655615345), (35, 599419744), (40, 524492276), (44, 476811160), (46, 456080240), (49, 428156960), (55, 381448928), (56, 374637340), (70, 299709872), (77, 272463520), (80, 262246138), (88, 238405580), (92, 228040120), (98, 214078480), (110, 190724464), (112, 187318670), (115, 182432096), (140, 149854936), (154, 136231760), (160, 131123069), (161, 130308640), (176, 119202790), (184, 114020060), (196, 107039240), (220, 95362232), (224, 93659335), (230, 91216048), (245, 85631392), (253, 82923680), (280, 74927468), (308, 68115880), (322, 65154320), (343, 61165280), (352, 59601395), (368, 57010030), (385, 54492704), (392, 53519620), (440, 47681116), (460, 45608024), (490, 42815696), (506, 41461840), (539, 38923360), (560, 37463734), (616, 34057940), (644, 32577160), (686, 30582640), (736, 28505015), (770, 27246352), (784, 26759810), (805, 26061728), (880, 23840558), (920, 22804012), (980, 21407848), (1012, 20730920), (1078, 19461680), (1120, 18731867), (1127, 18615520), (1232, 17028970), (1265, 16584736), (1288, 16288580), (1372, 15291320), (1511, 13884640), (1540, 13623176), (1568, 13379905), (1610, 13030864), (1715, 12233056), (1760, 11920279), (1771, 11846240), (1840, 11402006), (1960, 10703924), (2024, 10365460), (2156, 9730840), (2254, 9307760), (2464, 8514485), (2530, 8292368), (2576, 8144290), (2695, 7784672), (2744, 7645660), (3022, 6942320), (3080, 6811588), (3220, 6515432), (3430, 6116528), (3542, 5923120), (3680, 5701003), (3773, 5560480), (3920, 5351962), (4048, 5182730), (4312, 4865420), (4508, 4653880), (5060, 4146184), (5152, 4072145), (5390, 3892336), (5488, 3822830), (5635, 3723104), (6044, 3471160), (6160, 3405794), (6440, 3257716), (6860, 3058264), (7084, 2961560), (7546, 2780240), (7555, 2776928), (7840, 2675981), (7889, 2659360), (8096, 2591365), (8624, 2432710), (8855, 2369248), (9016, 2326940), (10120, 2073092), (10577, 1983520), (10780, 1946168), (10976, 1911415), (11270, 1861552), (12088, 1735580), (12320, 1702897), (12397, 1692320), (12880, 1628858), (13720, 1529132), (14168, 1480780), (15092, 1390120), (15110, 1388464), (15778, 1329680), (16621, 1262240), (17248, 1216355), (17710, 1184624), (18032, 1163470), (18865, 1112096), (20240, 1036546), (21154, 991760), (21560, 973084), (22540, 930776), (24176, 867790), (24794, 846160), (25760, 814429), (27440, 764566), (28336, 740390), (30184, 695060), (30220, 694232), (31556, 664840), (33242, 631120), (34753, 603680), (35420, 592312), (36064, 581735), (37730, 556048), (39445, 531872), (40480, 518273), (42308, 495880), (43120, 486542), (45080, 465388), (48352, 433895), (49588, 423080), (52885, 396704), (54880, 382283), (56672, 370195), (60368, 347530), (60440, 347116), (61985, 338464), (63112, 332420), (66484, 315560), (69506, 301840), (70840, 296156), (74039, 283360), (75460, 278024), (78890, 265936), (83105, 252448), (84616, 247940), (86240, 243271), (86779, 241760), (90160, 232694), (99176, 211540), (105770, 198352), (116347, 180320), (120736, 173765), (120880, 173558), (123970, 169232), (126224, 166210), (132968, 157780), (139012, 150920), (141680, 148078)]