77988870

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{27953}}^1$

素因数の和:27997

約数の個数: 48

約数和(自身を含む): 209319552

約数和(自身を除く): 131330682

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 31, 45, 62, 90, 93, 155, 186, 279, 310, 465, 558, 930, 1395, 2790, 27953, 55906, 83859, 139765, 167718, 251577, 279530, 419295, 503154, 838590, 866543, 1257885, 1733086, 2515770, 2599629, 4332715, 5199258, 7798887, 8665430, 12998145, 15597774, 25996290, 38994435, 77988870]

約数ペア:

[(1, 77988870), (2, 38994435), (3, 25996290), (5, 15597774), (6, 12998145), (9, 8665430), (10, 7798887), (15, 5199258), (18, 4332715), (30, 2599629), (31, 2515770), (45, 1733086), (62, 1257885), (90, 866543), (93, 838590), (155, 503154), (186, 419295), (279, 279530), (310, 251577), (465, 167718), (558, 139765), (930, 83859), (1395, 55906), (2790, 27953)]