74801580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{739}}^1$

素因数の和:999

約数の個数: 96

約数和(自身を含む): 240683520

約数和(自身を除く): 165881940

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 241, 420, 482, 723, 739, 964, 1205, 1446, 1478, 1687, 2217, 2410, 2892, 2956, 3374, 3615, 3695, 4434, 4820, 5061, 5173, 6748, 7230, 7390, 8435, 8868, 10122, 10346, 11085, 14460, 14780, 15519, 16870, 20244, 20692, 22170, 25305, 25865, 31038, 33740, 44340, 50610, 51730, 62076, 77595, 101220, 103460, 155190, 178099, 310380, 356198, 534297, 712396, 890495, 1068594, 1246693, 1780990, 2137188, 2493386, 2671485, 3561980, 3740079, 4986772, 5342970, 6233465, 7480158, 10685940, 12466930, 14960316, 18700395, 24933860, 37400790, 74801580]

約数ペア:

[(1, 74801580), (2, 37400790), (3, 24933860), (4, 18700395), (5, 14960316), (6, 12466930), (7, 10685940), (10, 7480158), (12, 6233465), (14, 5342970), (15, 4986772), (20, 3740079), (21, 3561980), (28, 2671485), (30, 2493386), (35, 2137188), (42, 1780990), (60, 1246693), (70, 1068594), (84, 890495), (105, 712396), (140, 534297), (210, 356198), (241, 310380), (420, 178099), (482, 155190), (723, 103460), (739, 101220), (964, 77595), (1205, 62076), (1446, 51730), (1478, 50610), (1687, 44340), (2217, 33740), (2410, 31038), (2892, 25865), (2956, 25305), (3374, 22170), (3615, 20692), (3695, 20244), (4434, 16870), (4820, 15519), (5061, 14780), (5173, 14460), (6748, 11085), (7230, 10346), (7390, 10122), (8435, 8868)]