64603140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{153817}}^1$

素因数の和:153836

約数の個数: 48

約数和(自身を含む): 206731392

約数和(自身を除く): 142128252

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 153817, 307634, 461451, 615268, 769085, 922902, 1076719, 1538170, 1845804, 2153438, 2307255, 3076340, 3230157, 4306876, 4614510, 5383595, 6460314, 9229020, 10767190, 12920628, 16150785, 21534380, 32301570, 64603140]

約数ペア:

[(1, 64603140), (2, 32301570), (3, 21534380), (4, 16150785), (5, 12920628), (6, 10767190), (7, 9229020), (10, 6460314), (12, 5383595), (14, 4614510), (15, 4306876), (20, 3230157), (21, 3076340), (28, 2307255), (30, 2153438), (35, 1845804), (42, 1538170), (60, 1076719), (70, 922902), (84, 769085), (105, 615268), (140, 461451), (210, 307634), (420, 153817)]