1216680320

素因数分解:

$2^7\times 5^1\times {\mathrm{127}}^1\times {\mathrm{14969}}^1$

素因数の和:15115

約数の個数: 64

約数和(自身を含む): 2931724800

約数和(自身を除く): 1715044480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 254, 320, 508, 635, 640, 1016, 1270, 2032, 2540, 4064, 5080, 8128, 10160, 14969, 16256, 20320, 29938, 40640, 59876, 74845, 81280, 119752, 149690, 239504, 299380, 479008, 598760, 958016, 1197520, 1901063, 1916032, 2395040, 3802126, 4790080, 7604252, 9505315, 9580160, 15208504, 19010630, 30417008, 38021260, 60834016, 76042520, 121668032, 152085040, 243336064, 304170080, 608340160, 1216680320]

約数ペア:

[(1, 1216680320), (2, 608340160), (4, 304170080), (5, 243336064), (8, 152085040), (10, 121668032), (16, 76042520), (20, 60834016), (32, 38021260), (40, 30417008), (64, 19010630), (80, 15208504), (127, 9580160), (128, 9505315), (160, 7604252), (254, 4790080), (320, 3802126), (508, 2395040), (635, 1916032), (640, 1901063), (1016, 1197520), (1270, 958016), (2032, 598760), (2540, 479008), (4064, 299380), (5080, 239504), (8128, 149690), (10160, 119752), (14969, 81280), (16256, 74845), (20320, 59876), (29938, 40640)]