64883720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{617}}^1$

素因数の和:878

約数の個数: 64

約数和(自身を含む): 160185600

約数和(自身を除く): 95301880

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 239, 440, 478, 617, 956, 1195, 1234, 1912, 2390, 2468, 2629, 3085, 4780, 4936, 5258, 6170, 6787, 9560, 10516, 12340, 13145, 13574, 21032, 24680, 26290, 27148, 33935, 52580, 54296, 67870, 105160, 135740, 147463, 271480, 294926, 589852, 737315, 1179704, 1474630, 1622093, 2949260, 3244186, 5898520, 6488372, 8110465, 12976744, 16220930, 32441860, 64883720]

約数ペア:

[(1, 64883720), (2, 32441860), (4, 16220930), (5, 12976744), (8, 8110465), (10, 6488372), (11, 5898520), (20, 3244186), (22, 2949260), (40, 1622093), (44, 1474630), (55, 1179704), (88, 737315), (110, 589852), (220, 294926), (239, 271480), (440, 147463), (478, 135740), (617, 105160), (956, 67870), (1195, 54296), (1234, 52580), (1912, 33935), (2390, 27148), (2468, 26290), (2629, 24680), (3085, 21032), (4780, 13574), (4936, 13145), (5258, 12340), (6170, 10516), (6787, 9560)]