54512080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{311}}^1\times {\mathrm{313}}^1$

素因数の和:644

約数の個数: 80

約数和(自身を含む): 145776384

約数和(自身を除く): 91264304

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 311, 313, 560, 622, 626, 1244, 1252, 1555, 1565, 2177, 2191, 2488, 2504, 3110, 3130, 4354, 4382, 4976, 5008, 6220, 6260, 8708, 8764, 10885, 10955, 12440, 12520, 17416, 17528, 21770, 21910, 24880, 25040, 34832, 35056, 43540, 43820, 87080, 87640, 97343, 174160, 175280, 194686, 389372, 486715, 681401, 778744, 973430, 1362802, 1557488, 1946860, 2725604, 3407005, 3893720, 5451208, 6814010, 7787440, 10902416, 13628020, 27256040, 54512080]

約数ペア:

[(1, 54512080), (2, 27256040), (4, 13628020), (5, 10902416), (7, 7787440), (8, 6814010), (10, 5451208), (14, 3893720), (16, 3407005), (20, 2725604), (28, 1946860), (35, 1557488), (40, 1362802), (56, 973430), (70, 778744), (80, 681401), (112, 486715), (140, 389372), (280, 194686), (311, 175280), (313, 174160), (560, 97343), (622, 87640), (626, 87080), (1244, 43820), (1252, 43540), (1555, 35056), (1565, 34832), (2177, 25040), (2191, 24880), (2488, 21910), (2504, 21770), (3110, 17528), (3130, 17416), (4354, 12520), (4382, 12440), (4976, 10955), (5008, 10885), (6220, 8764), (6260, 8708)]