291865140

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{77213}}^1$

素因数の和:77238

約数の個数: 96

約数和(自身を含む): 1037756160

約数和(自身を除く): 745891020

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 540, 630, 756, 945, 1260, 1890, 3780, 77213, 154426, 231639, 308852, 386065, 463278, 540491, 694917, 772130, 926556, 1080982, 1158195, 1389834, 1544260, 1621473, 2084751, 2161964, 2316390, 2702455, 2779668, 3242946, 3474585, 4169502, 4632780, 4864419, 5404910, 6485892, 6949170, 8107365, 8339004, 9728838, 10423755, 10809820, 13898340, 14593257, 16214730, 19457676, 20847510, 24322095, 29186514, 32429460, 41695020, 48644190, 58373028, 72966285, 97288380, 145932570, 291865140]

約数ペア:

[(1, 291865140), (2, 145932570), (3, 97288380), (4, 72966285), (5, 58373028), (6, 48644190), (7, 41695020), (9, 32429460), (10, 29186514), (12, 24322095), (14, 20847510), (15, 19457676), (18, 16214730), (20, 14593257), (21, 13898340), (27, 10809820), (28, 10423755), (30, 9728838), (35, 8339004), (36, 8107365), (42, 6949170), (45, 6485892), (54, 5404910), (60, 4864419), (63, 4632780), (70, 4169502), (84, 3474585), (90, 3242946), (105, 2779668), (108, 2702455), (126, 2316390), (135, 2161964), (140, 2084751), (180, 1621473), (189, 1544260), (210, 1389834), (252, 1158195), (270, 1080982), (315, 926556), (378, 772130), (420, 694917), (540, 540491), (630, 463278), (756, 386065), (945, 308852), (1260, 231639), (1890, 154426), (3780, 77213)]