21808690960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1787}}^1$

素因数の和:1894

約数の個数: 320

約数和(自身を含む): 64704430080

約数和(自身を除く): 42895739120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 31, 35, 37, 38, 40, 56, 62, 70, 74, 76, 80, 95, 112, 124, 133, 140, 148, 152, 155, 185, 190, 217, 248, 259, 266, 280, 296, 304, 310, 370, 380, 434, 496, 518, 532, 560, 589, 592, 620, 665, 703, 740, 760, 868, 1036, 1064, 1085, 1147, 1178, 1240, 1295, 1330, 1406, 1480, 1520, 1736, 1787, 2072, 2128, 2170, 2294, 2356, 2480, 2590, 2660, 2812, 2945, 2960, 3472, 3515, 3574, 4123, 4144, 4340, 4588, 4712, 4921, 5180, 5320, 5624, 5735, 5890, 7030, 7148, 8029, 8246, 8680, 8935, 9176, 9424, 9842, 10360, 10640, 11248, 11470, 11780, 12509, 14060, 14296, 16058, 16492, 17360, 17870, 18352, 19684, 20615, 20720, 21793, 22940, 23560, 24605, 25018, 28120, 28592, 32116, 32984, 33953, 35740, 39368, 40145, 41230, 43586, 45880, 47120, 49210, 50036, 55397, 56240, 62545, 64232, 65968, 66119, 67906, 71480, 78736, 80290, 82460, 87172, 91760, 98420, 100072, 108965, 110794, 125090, 128464, 132238, 135812, 142960, 152551, 160580, 164920, 169765, 174344, 196840, 200144, 217930, 221588, 237671, 250180, 264476, 271624, 276985, 305102, 321160, 329840, 330595, 339530, 348688, 387779, 393680, 435860, 443176, 462833, 475342, 500360, 528952, 543248, 553970, 610204, 642320, 661190, 679060, 762755, 775558, 871720, 886352, 925666, 950684, 1000720, 1052543, 1057904, 1107940, 1188355, 1220408, 1256261, 1322380, 1358120, 1525510, 1551116, 1743440, 1851332, 1901368, 1938895, 2049689, 2105086, 2215880, 2314165, 2376710, 2440816, 2512522, 2644760, 2716240, 3051020, 3102232, 3702664, 3802736, 3877790, 4099378, 4210172, 4431760, 4628330, 4753420, 5025044, 5262715, 5289520, 6102040, 6204464, 6281305, 7367801, 7405328, 7755580, 8198756, 8420344, 8793827, 9256660, 9506840, 10050088, 10248445, 10525430, 12204080, 12562610, 14347823, 14735602, 15511160, 16397512, 16840688, 17587654, 18513320, 19013680, 20100176, 20496890, 21050860, 25125220, 28695646, 29471204, 31022320, 32795024, 35175308, 36839005, 37026640, 38944091, 40993780, 42101720, 43969135, 50250440, 57391292, 58942408, 70350616, 71739115, 73678010, 77888182, 81987560, 84203440, 87938270, 100500880, 114782584, 117884816, 140701232, 143478230, 147356020, 155776364, 163975120, 175876540, 194720455, 229565168, 272608637, 286956460, 294712040, 311552728, 351753080, 389440910, 545217274, 573912920, 589424080, 623105456, 703506160, 778881820, 1090434548, 1147825840, 1363043185, 1557763640, 2180869096, 2726086370, 3115527280, 4361738192, 5452172740, 10904345480, 21808690960]

約数ペア:

[(1, 21808690960), (2, 10904345480), (4, 5452172740), (5, 4361738192), (7, 3115527280), (8, 2726086370), (10, 2180869096), (14, 1557763640), (16, 1363043185), (19, 1147825840), (20, 1090434548), (28, 778881820), (31, 703506160), (35, 623105456), (37, 589424080), (38, 573912920), (40, 545217274), (56, 389440910), (62, 351753080), (70, 311552728), (74, 294712040), (76, 286956460), (80, 272608637), (95, 229565168), (112, 194720455), (124, 175876540), (133, 163975120), (140, 155776364), (148, 147356020), (152, 143478230), (155, 140701232), (185, 117884816), (190, 114782584), (217, 100500880), (248, 87938270), (259, 84203440), (266, 81987560), (280, 77888182), (296, 73678010), (304, 71739115), (310, 70350616), (370, 58942408), (380, 57391292), (434, 50250440), (496, 43969135), (518, 42101720), (532, 40993780), (560, 38944091), (589, 37026640), (592, 36839005), (620, 35175308), (665, 32795024), (703, 31022320), (740, 29471204), (760, 28695646), (868, 25125220), (1036, 21050860), (1064, 20496890), (1085, 20100176), (1147, 19013680), (1178, 18513320), (1240, 17587654), (1295, 16840688), (1330, 16397512), (1406, 15511160), (1480, 14735602), (1520, 14347823), (1736, 12562610), (1787, 12204080), (2072, 10525430), (2128, 10248445), (2170, 10050088), (2294, 9506840), (2356, 9256660), (2480, 8793827), (2590, 8420344), (2660, 8198756), (2812, 7755580), (2945, 7405328), (2960, 7367801), (3472, 6281305), (3515, 6204464), (3574, 6102040), (4123, 5289520), (4144, 5262715), (4340, 5025044), (4588, 4753420), (4712, 4628330), (4921, 4431760), (5180, 4210172), (5320, 4099378), (5624, 3877790), (5735, 3802736), (5890, 3702664), (7030, 3102232), (7148, 3051020), (8029, 2716240), (8246, 2644760), (8680, 2512522), (8935, 2440816), (9176, 2376710), (9424, 2314165), (9842, 2215880), (10360, 2105086), (10640, 2049689), (11248, 1938895), (11470, 1901368), (11780, 1851332), (12509, 1743440), (14060, 1551116), (14296, 1525510), (16058, 1358120), (16492, 1322380), (17360, 1256261), (17870, 1220408), (18352, 1188355), (19684, 1107940), (20615, 1057904), (20720, 1052543), (21793, 1000720), (22940, 950684), (23560, 925666), (24605, 886352), (25018, 871720), (28120, 775558), (28592, 762755), (32116, 679060), (32984, 661190), (33953, 642320), (35740, 610204), (39368, 553970), (40145, 543248), (41230, 528952), (43586, 500360), (45880, 475342), (47120, 462833), (49210, 443176), (50036, 435860), (55397, 393680), (56240, 387779), (62545, 348688), (64232, 339530), (65968, 330595), (66119, 329840), (67906, 321160), (71480, 305102), (78736, 276985), (80290, 271624), (82460, 264476), (87172, 250180), (91760, 237671), (98420, 221588), (100072, 217930), (108965, 200144), (110794, 196840), (125090, 174344), (128464, 169765), (132238, 164920), (135812, 160580), (142960, 152551)]