78146460

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{569}}^1$

素因数の和:700

約数の個数: 144

約数和(自身を含む): 273873600

約数和(自身を除く): 195727140

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 109, 126, 140, 180, 210, 218, 252, 315, 327, 420, 436, 545, 569, 630, 654, 763, 981, 1090, 1138, 1260, 1308, 1526, 1635, 1707, 1962, 2180, 2276, 2289, 2845, 3052, 3270, 3414, 3815, 3924, 3983, 4578, 4905, 5121, 5690, 6540, 6828, 6867, 7630, 7966, 8535, 9156, 9810, 10242, 11380, 11445, 11949, 13734, 15260, 15932, 17070, 19620, 19915, 20484, 22890, 23898, 25605, 27468, 34140, 34335, 35847, 39830, 45780, 47796, 51210, 59745, 62021, 68670, 71694, 79660, 102420, 119490, 124042, 137340, 143388, 179235, 186063, 238980, 248084, 310105, 358470, 372126, 434147, 558189, 620210, 716940, 744252, 868294, 930315, 1116378, 1240420, 1302441, 1736588, 1860630, 2170735, 2232756, 2604882, 2790945, 3721260, 3907323, 4341470, 5209764, 5581890, 6512205, 7814646, 8682940, 11163780, 13024410, 15629292, 19536615, 26048820, 39073230, 78146460]

約数ペア:

[(1, 78146460), (2, 39073230), (3, 26048820), (4, 19536615), (5, 15629292), (6, 13024410), (7, 11163780), (9, 8682940), (10, 7814646), (12, 6512205), (14, 5581890), (15, 5209764), (18, 4341470), (20, 3907323), (21, 3721260), (28, 2790945), (30, 2604882), (35, 2232756), (36, 2170735), (42, 1860630), (45, 1736588), (60, 1302441), (63, 1240420), (70, 1116378), (84, 930315), (90, 868294), (105, 744252), (109, 716940), (126, 620210), (140, 558189), (180, 434147), (210, 372126), (218, 358470), (252, 310105), (315, 248084), (327, 238980), (420, 186063), (436, 179235), (545, 143388), (569, 137340), (630, 124042), (654, 119490), (763, 102420), (981, 79660), (1090, 71694), (1138, 68670), (1260, 62021), (1308, 59745), (1526, 51210), (1635, 47796), (1707, 45780), (1962, 39830), (2180, 35847), (2276, 34335), (2289, 34140), (2845, 27468), (3052, 25605), (3270, 23898), (3414, 22890), (3815, 20484), (3924, 19915), (3983, 19620), (4578, 17070), (4905, 15932), (5121, 15260), (5690, 13734), (6540, 11949), (6828, 11445), (6867, 11380), (7630, 10242), (7966, 9810), (8535, 9156)]