72830780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{181}}^1$

素因数の和:291

約数の個数: 96

約数和(自身を含む): 176117760

約数和(自身を除く): 103286980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 59, 62, 110, 118, 124, 155, 181, 220, 236, 295, 310, 341, 362, 590, 620, 649, 682, 724, 905, 1180, 1298, 1364, 1705, 1810, 1829, 1991, 2596, 3245, 3410, 3620, 3658, 3982, 5611, 6490, 6820, 7316, 7964, 9145, 9955, 10679, 11222, 12980, 18290, 19910, 20119, 21358, 22444, 28055, 36580, 39820, 40238, 42716, 53395, 56110, 61721, 80476, 100595, 106790, 112220, 117469, 123442, 201190, 213580, 234938, 246884, 308605, 331049, 402380, 469876, 587345, 617210, 662098, 1174690, 1234420, 1324196, 1655245, 2349380, 3310490, 3641539, 6620980, 7283078, 14566156, 18207695, 36415390, 72830780]

約数ペア:

[(1, 72830780), (2, 36415390), (4, 18207695), (5, 14566156), (10, 7283078), (11, 6620980), (20, 3641539), (22, 3310490), (31, 2349380), (44, 1655245), (55, 1324196), (59, 1234420), (62, 1174690), (110, 662098), (118, 617210), (124, 587345), (155, 469876), (181, 402380), (220, 331049), (236, 308605), (295, 246884), (310, 234938), (341, 213580), (362, 201190), (590, 123442), (620, 117469), (649, 112220), (682, 106790), (724, 100595), (905, 80476), (1180, 61721), (1298, 56110), (1364, 53395), (1705, 42716), (1810, 40238), (1829, 39820), (1991, 36580), (2596, 28055), (3245, 22444), (3410, 21358), (3620, 20119), (3658, 19910), (3982, 18290), (5611, 12980), (6490, 11222), (6820, 10679), (7316, 9955), (7964, 9145)]