90700890

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{521}}^1\times {\mathrm{829}}^1$

素因数の和:1367

約数の個数: 64

約数和(自身を含む): 249557760

約数和(自身を除く): 158856870

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 521, 829, 1042, 1563, 1658, 2487, 2605, 3126, 3647, 4145, 4974, 5210, 5803, 7294, 7815, 8290, 10941, 11606, 12435, 15630, 17409, 18235, 21882, 24870, 29015, 34818, 36470, 54705, 58030, 87045, 109410, 174090, 431909, 863818, 1295727, 2159545, 2591454, 3023363, 4319090, 6046726, 6478635, 9070089, 12957270, 15116815, 18140178, 30233630, 45350445, 90700890]

約数ペア:

[(1, 90700890), (2, 45350445), (3, 30233630), (5, 18140178), (6, 15116815), (7, 12957270), (10, 9070089), (14, 6478635), (15, 6046726), (21, 4319090), (30, 3023363), (35, 2591454), (42, 2159545), (70, 1295727), (105, 863818), (210, 431909), (521, 174090), (829, 109410), (1042, 87045), (1563, 58030), (1658, 54705), (2487, 36470), (2605, 34818), (3126, 29015), (3647, 24870), (4145, 21882), (4974, 18235), (5210, 17409), (5803, 15630), (7294, 12435), (7815, 11606), (8290, 10941)]