72477380

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^2\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:237

約数の個数: 72

約数和(自身を含む): 163887360

約数和(自身を除く): 91409980

約数列:

[1, 2, 4, 5, 10, 20, 29, 31, 58, 62, 116, 124, 139, 145, 155, 278, 290, 310, 556, 580, 620, 695, 841, 899, 1390, 1682, 1798, 2780, 3364, 3596, 4031, 4205, 4309, 4495, 8062, 8410, 8618, 8990, 16124, 16820, 17236, 17980, 20155, 21545, 26071, 40310, 43090, 52142, 80620, 86180, 104284, 116899, 124961, 130355, 233798, 249922, 260710, 467596, 499844, 521420, 584495, 624805, 1168990, 1249610, 2337980, 2499220, 3623869, 7247738, 14495476, 18119345, 36238690, 72477380]

約数ペア:

[(1, 72477380), (2, 36238690), (4, 18119345), (5, 14495476), (10, 7247738), (20, 3623869), (29, 2499220), (31, 2337980), (58, 1249610), (62, 1168990), (116, 624805), (124, 584495), (139, 521420), (145, 499844), (155, 467596), (278, 260710), (290, 249922), (310, 233798), (556, 130355), (580, 124961), (620, 116899), (695, 104284), (841, 86180), (899, 80620), (1390, 52142), (1682, 43090), (1798, 40310), (2780, 26071), (3364, 21545), (3596, 20155), (4031, 17980), (4205, 17236), (4309, 16820), (4495, 16124), (8062, 8990), (8410, 8618)]