90476820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{71807}}^1$

素因数の和:71829

約数の個数: 72

約数和(自身を含む): 313657344

約数和(自身を除く): 223180524

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, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 71807, 143614, 215421, 287228, 359035, 430842, 502649, 646263, 718070, 861684, 1005298, 1077105, 1292526, 1436140, 1507947, 2010596, 2154210, 2513245, 2585052, 3015894, 3231315, 4308420, 4523841, 5026490, 6031788, 6462630, 7539735, 9047682, 10052980, 12925260, 15079470, 18095364, 22619205, 30158940, 45238410, 90476820]

約数ペア:

[(1, 90476820), (2, 45238410), (3, 30158940), (4, 22619205), (5, 18095364), (6, 15079470), (7, 12925260), (9, 10052980), (10, 9047682), (12, 7539735), (14, 6462630), (15, 6031788), (18, 5026490), (20, 4523841), (21, 4308420), (28, 3231315), (30, 3015894), (35, 2585052), (36, 2513245), (42, 2154210), (45, 2010596), (60, 1507947), (63, 1436140), (70, 1292526), (84, 1077105), (90, 1005298), (105, 861684), (126, 718070), (140, 646263), (180, 502649), (210, 430842), (252, 359035), (315, 287228), (420, 215421), (630, 143614), (1260, 71807)]