72172760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{2689}}^1$

素因数の和:2772

約数の個数: 64

約数和(自身を含む): 180122400

約数和(自身を除く): 107949640

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 61, 88, 110, 122, 220, 244, 305, 440, 488, 610, 671, 1220, 1342, 2440, 2684, 2689, 3355, 5368, 5378, 6710, 10756, 13420, 13445, 21512, 26840, 26890, 29579, 53780, 59158, 107560, 118316, 147895, 164029, 236632, 295790, 328058, 591580, 656116, 820145, 1183160, 1312232, 1640290, 1804319, 3280580, 3608638, 6561160, 7217276, 9021595, 14434552, 18043190, 36086380, 72172760]

約数ペア:

[(1, 72172760), (2, 36086380), (4, 18043190), (5, 14434552), (8, 9021595), (10, 7217276), (11, 6561160), (20, 3608638), (22, 3280580), (40, 1804319), (44, 1640290), (55, 1312232), (61, 1183160), (88, 820145), (110, 656116), (122, 591580), (220, 328058), (244, 295790), (305, 236632), (440, 164029), (488, 147895), (610, 118316), (671, 107560), (1220, 59158), (1342, 53780), (2440, 29579), (2684, 26890), (2689, 26840), (3355, 21512), (5368, 13445), (5378, 13420), (6710, 10756)]