72997960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{4919}}^1$

素因数の和:4990

約数の個数: 64

約数和(自身を含む): 191289600

約数和(自身を除く): 118291640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 53, 56, 70, 106, 140, 212, 265, 280, 371, 424, 530, 742, 1060, 1484, 1855, 2120, 2968, 3710, 4919, 7420, 9838, 14840, 19676, 24595, 34433, 39352, 49190, 68866, 98380, 137732, 172165, 196760, 260707, 275464, 344330, 521414, 688660, 1042828, 1303535, 1377320, 1824949, 2085656, 2607070, 3649898, 5214140, 7299796, 9124745, 10428280, 14599592, 18249490, 36498980, 72997960]

約数ペア:

[(1, 72997960), (2, 36498980), (4, 18249490), (5, 14599592), (7, 10428280), (8, 9124745), (10, 7299796), (14, 5214140), (20, 3649898), (28, 2607070), (35, 2085656), (40, 1824949), (53, 1377320), (56, 1303535), (70, 1042828), (106, 688660), (140, 521414), (212, 344330), (265, 275464), (280, 260707), (371, 196760), (424, 172165), (530, 137732), (742, 98380), (1060, 68866), (1484, 49190), (1855, 39352), (2120, 34433), (2968, 24595), (3710, 19676), (4919, 14840), (7420, 9838)]