20625858720

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{64231}}^1$

素因数の和:64475

約数の個数: 144

約数和(自身を含む): 70702474752

約数和(自身を除く): 50076616032

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 223, 240, 288, 360, 446, 480, 669, 720, 892, 1115, 1338, 1440, 1784, 2007, 2230, 2676, 3345, 3568, 4014, 4460, 5352, 6690, 7136, 8028, 8920, 10035, 10704, 13380, 16056, 17840, 20070, 21408, 26760, 32112, 35680, 40140, 53520, 64224, 64231, 80280, 107040, 128462, 160560, 192693, 256924, 321120, 321155, 385386, 513848, 578079, 642310, 770772, 963465, 1027696, 1156158, 1284620, 1541544, 1926930, 2055392, 2312316, 2569240, 2890395, 3083088, 3853860, 4624632, 5138480, 5780790, 6166176, 7707720, 9249264, 10276960, 11561580, 14323513, 15415440, 18498528, 23123160, 28647026, 30830880, 42970539, 46246320, 57294052, 71617565, 85941078, 92492640, 114588104, 128911617, 143235130, 171882156, 214852695, 229176208, 257823234, 286470260, 343764312, 429705390, 458352416, 515646468, 572940520, 644558085, 687528624, 859410780, 1031292936, 1145881040, 1289116170, 1375057248, 1718821560, 2062585872, 2291762080, 2578232340, 3437643120, 4125171744, 5156464680, 6875286240, 10312929360, 20625858720]

約数ペア:

[(1, 20625858720), (2, 10312929360), (3, 6875286240), (4, 5156464680), (5, 4125171744), (6, 3437643120), (8, 2578232340), (9, 2291762080), (10, 2062585872), (12, 1718821560), (15, 1375057248), (16, 1289116170), (18, 1145881040), (20, 1031292936), (24, 859410780), (30, 687528624), (32, 644558085), (36, 572940520), (40, 515646468), (45, 458352416), (48, 429705390), (60, 343764312), (72, 286470260), (80, 257823234), (90, 229176208), (96, 214852695), (120, 171882156), (144, 143235130), (160, 128911617), (180, 114588104), (223, 92492640), (240, 85941078), (288, 71617565), (360, 57294052), (446, 46246320), (480, 42970539), (669, 30830880), (720, 28647026), (892, 23123160), (1115, 18498528), (1338, 15415440), (1440, 14323513), (1784, 11561580), (2007, 10276960), (2230, 9249264), (2676, 7707720), (3345, 6166176), (3568, 5780790), (4014, 5138480), (4460, 4624632), (5352, 3853860), (6690, 3083088), (7136, 2890395), (8028, 2569240), (8920, 2312316), (10035, 2055392), (10704, 1926930), (13380, 1541544), (16056, 1284620), (17840, 1156158), (20070, 1027696), (21408, 963465), (26760, 770772), (32112, 642310), (35680, 578079), (40140, 513848), (53520, 385386), (64224, 321155), (64231, 321120), (80280, 256924), (107040, 192693), (128462, 160560)]