20685815640

素因数分解:

$2^3\times 3^4\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{21211}}^1$

素因数の和:21284

約数の個数: 320

約数和(自身を含む): 81311535360

約数和(自身を除く): 60625719720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 43, 45, 54, 56, 60, 63, 70, 72, 81, 84, 86, 90, 105, 108, 120, 126, 129, 135, 140, 162, 168, 172, 180, 189, 210, 215, 216, 252, 258, 270, 280, 301, 315, 324, 344, 360, 378, 387, 405, 420, 430, 504, 516, 540, 567, 602, 630, 645, 648, 756, 774, 810, 840, 860, 903, 945, 1032, 1080, 1134, 1161, 1204, 1260, 1290, 1505, 1512, 1548, 1620, 1720, 1806, 1890, 1935, 2268, 2322, 2408, 2520, 2580, 2709, 2835, 3010, 3096, 3240, 3483, 3612, 3780, 3870, 4515, 4536, 4644, 5160, 5418, 5670, 5805, 6020, 6966, 7224, 7560, 7740, 8127, 9030, 9288, 10836, 11340, 11610, 12040, 13545, 13932, 15480, 16254, 17415, 18060, 21211, 21672, 22680, 23220, 24381, 27090, 27864, 32508, 34830, 36120, 40635, 42422, 46440, 48762, 54180, 63633, 65016, 69660, 81270, 84844, 97524, 106055, 108360, 121905, 127266, 139320, 148477, 162540, 169688, 190899, 195048, 212110, 243810, 254532, 296954, 318165, 325080, 381798, 424220, 445431, 487620, 509064, 572697, 593908, 636330, 742385, 763596, 848440, 890862, 912073, 954495, 975240, 1145394, 1187816, 1272660, 1336293, 1484770, 1527192, 1718091, 1781724, 1824146, 1908990, 2227155, 2290788, 2545320, 2672586, 2736219, 2863485, 2969540, 3436182, 3563448, 3648292, 3817980, 4008879, 4454310, 4560365, 4581576, 5345172, 5472438, 5726970, 5939080, 6384511, 6681465, 6872364, 7296584, 7635960, 8017758, 8208657, 8590455, 8908620, 9120730, 10690344, 10944876, 11453940, 12026637, 12769022, 13362930, 13681095, 13744728, 16035516, 16417314, 17180910, 17817240, 18241460, 19153533, 20044395, 21889752, 22907880, 24053274, 24625971, 25538044, 26725860, 27362190, 31922555, 32071032, 32834628, 34361820, 36482920, 38307066, 40088790, 41043285, 48106548, 49251942, 51076088, 53451720, 54724380, 57460599, 60133185, 63845110, 65669256, 68723640, 73877913, 76614132, 80177580, 82086570, 95767665, 96213096, 98503884, 109448760, 114921198, 120266370, 123129855, 127690220, 147755826, 153228264, 160355160, 164173140, 172381797, 191535330, 197007768, 229842396, 240532740, 246259710, 255380440, 287302995, 295511652, 328346280, 344763594, 369389565, 383070660, 459684792, 481065480, 492519420, 517145391, 574605990, 591023304, 689527188, 738779130, 766141320, 861908985, 985038840, 1034290782, 1149211980, 1379054376, 1477558260, 1723817970, 2068581564, 2298423960, 2585726955, 2955116520, 3447635940, 4137163128, 5171453910, 6895271880, 10342907820, 20685815640]

約数ペア:

[(1, 20685815640), (2, 10342907820), (3, 6895271880), (4, 5171453910), (5, 4137163128), (6, 3447635940), (7, 2955116520), (8, 2585726955), (9, 2298423960), (10, 2068581564), (12, 1723817970), (14, 1477558260), (15, 1379054376), (18, 1149211980), (20, 1034290782), (21, 985038840), (24, 861908985), (27, 766141320), (28, 738779130), (30, 689527188), (35, 591023304), (36, 574605990), (40, 517145391), (42, 492519420), (43, 481065480), (45, 459684792), (54, 383070660), (56, 369389565), (60, 344763594), (63, 328346280), (70, 295511652), (72, 287302995), (81, 255380440), (84, 246259710), (86, 240532740), (90, 229842396), (105, 197007768), (108, 191535330), (120, 172381797), (126, 164173140), (129, 160355160), (135, 153228264), (140, 147755826), (162, 127690220), (168, 123129855), (172, 120266370), (180, 114921198), (189, 109448760), (210, 98503884), (215, 96213096), (216, 95767665), (252, 82086570), (258, 80177580), (270, 76614132), (280, 73877913), (301, 68723640), (315, 65669256), (324, 63845110), (344, 60133185), (360, 57460599), (378, 54724380), (387, 53451720), (405, 51076088), (420, 49251942), (430, 48106548), (504, 41043285), (516, 40088790), (540, 38307066), (567, 36482920), (602, 34361820), (630, 32834628), (645, 32071032), (648, 31922555), (756, 27362190), (774, 26725860), (810, 25538044), (840, 24625971), (860, 24053274), (903, 22907880), (945, 21889752), (1032, 20044395), (1080, 19153533), (1134, 18241460), (1161, 17817240), (1204, 17180910), (1260, 16417314), (1290, 16035516), (1505, 13744728), (1512, 13681095), (1548, 13362930), (1620, 12769022), (1720, 12026637), (1806, 11453940), (1890, 10944876), (1935, 10690344), (2268, 9120730), (2322, 8908620), (2408, 8590455), (2520, 8208657), (2580, 8017758), (2709, 7635960), (2835, 7296584), (3010, 6872364), (3096, 6681465), (3240, 6384511), (3483, 5939080), (3612, 5726970), (3780, 5472438), (3870, 5345172), (4515, 4581576), (4536, 4560365), (4644, 4454310), (5160, 4008879), (5418, 3817980), (5670, 3648292), (5805, 3563448), (6020, 3436182), (6966, 2969540), (7224, 2863485), (7560, 2736219), (7740, 2672586), (8127, 2545320), (9030, 2290788), (9288, 2227155), (10836, 1908990), (11340, 1824146), (11610, 1781724), (12040, 1718091), (13545, 1527192), (13932, 1484770), (15480, 1336293), (16254, 1272660), (17415, 1187816), (18060, 1145394), (21211, 975240), (21672, 954495), (22680, 912073), (23220, 890862), (24381, 848440), (27090, 763596), (27864, 742385), (32508, 636330), (34830, 593908), (36120, 572697), (40635, 509064), (42422, 487620), (46440, 445431), (48762, 424220), (54180, 381798), (63633, 325080), (65016, 318165), (69660, 296954), (81270, 254532), (84844, 243810), (97524, 212110), (106055, 195048), (108360, 190899), (121905, 169688), (127266, 162540), (139320, 148477)]