123445260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{389}}^1$

素因数の和:488

約数の個数: 144

約数和(自身を含む): 393513120

約数和(自身を除く): 270067860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 41, 43, 45, 60, 82, 86, 90, 123, 129, 164, 172, 180, 205, 215, 246, 258, 369, 387, 389, 410, 430, 492, 516, 615, 645, 738, 774, 778, 820, 860, 1167, 1230, 1290, 1476, 1548, 1556, 1763, 1845, 1935, 1945, 2334, 2460, 2580, 3501, 3526, 3690, 3870, 3890, 4668, 5289, 5835, 7002, 7052, 7380, 7740, 7780, 8815, 10578, 11670, 14004, 15867, 15949, 16727, 17505, 17630, 21156, 23340, 26445, 31734, 31898, 33454, 35010, 35260, 47847, 50181, 52890, 63468, 63796, 66908, 70020, 79335, 79745, 83635, 95694, 100362, 105780, 143541, 150543, 158670, 159490, 167270, 191388, 200724, 239235, 250905, 287082, 301086, 317340, 318980, 334540, 478470, 501810, 574164, 602172, 685807, 717705, 752715, 956940, 1003620, 1371614, 1435410, 1505430, 2057421, 2743228, 2870820, 3010860, 3429035, 4114842, 6172263, 6858070, 8229684, 10287105, 12344526, 13716140, 20574210, 24689052, 30861315, 41148420, 61722630, 123445260]

約数ペア:

[(1, 123445260), (2, 61722630), (3, 41148420), (4, 30861315), (5, 24689052), (6, 20574210), (9, 13716140), (10, 12344526), (12, 10287105), (15, 8229684), (18, 6858070), (20, 6172263), (30, 4114842), (36, 3429035), (41, 3010860), (43, 2870820), (45, 2743228), (60, 2057421), (82, 1505430), (86, 1435410), (90, 1371614), (123, 1003620), (129, 956940), (164, 752715), (172, 717705), (180, 685807), (205, 602172), (215, 574164), (246, 501810), (258, 478470), (369, 334540), (387, 318980), (389, 317340), (410, 301086), (430, 287082), (492, 250905), (516, 239235), (615, 200724), (645, 191388), (738, 167270), (774, 159490), (778, 158670), (820, 150543), (860, 143541), (1167, 105780), (1230, 100362), (1290, 95694), (1476, 83635), (1548, 79745), (1556, 79335), (1763, 70020), (1845, 66908), (1935, 63796), (1945, 63468), (2334, 52890), (2460, 50181), (2580, 47847), (3501, 35260), (3526, 35010), (3690, 33454), (3870, 31898), (3890, 31734), (4668, 26445), (5289, 23340), (5835, 21156), (7002, 17630), (7052, 17505), (7380, 16727), (7740, 15949), (7780, 15867), (8815, 14004), (10578, 11670)]