64931020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{3833}}^1$

素因数の和:3871

約数の個数: 72

約数和(自身を含む): 171333792

約数和(自身を除く): 106402772

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 121, 140, 154, 220, 242, 308, 385, 484, 605, 770, 847, 1210, 1540, 1694, 2420, 3388, 3833, 4235, 7666, 8470, 15332, 16940, 19165, 26831, 38330, 42163, 53662, 76660, 84326, 107324, 134155, 168652, 210815, 268310, 295141, 421630, 463793, 536620, 590282, 843260, 927586, 1180564, 1475705, 1855172, 2318965, 2951410, 3246551, 4637930, 5902820, 6493102, 9275860, 12986204, 16232755, 32465510, 64931020]

約数ペア:

[(1, 64931020), (2, 32465510), (4, 16232755), (5, 12986204), (7, 9275860), (10, 6493102), (11, 5902820), (14, 4637930), (20, 3246551), (22, 2951410), (28, 2318965), (35, 1855172), (44, 1475705), (55, 1180564), (70, 927586), (77, 843260), (110, 590282), (121, 536620), (140, 463793), (154, 421630), (220, 295141), (242, 268310), (308, 210815), (385, 168652), (484, 134155), (605, 107324), (770, 84326), (847, 76660), (1210, 53662), (1540, 42163), (1694, 38330), (2420, 26831), (3388, 19165), (3833, 16940), (4235, 15332), (7666, 8470)]