30902360

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{557}}^1$

素因数の和:660

約数の個数: 64

約数和(自身を含む): 74325600

約数和(自身を除く): 43423240

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 73, 76, 95, 146, 152, 190, 292, 365, 380, 557, 584, 730, 760, 1114, 1387, 1460, 2228, 2774, 2785, 2920, 4456, 5548, 5570, 6935, 10583, 11096, 11140, 13870, 21166, 22280, 27740, 40661, 42332, 52915, 55480, 81322, 84664, 105830, 162644, 203305, 211660, 325288, 406610, 423320, 772559, 813220, 1545118, 1626440, 3090236, 3862795, 6180472, 7725590, 15451180, 30902360]

約数ペア:

[(1, 30902360), (2, 15451180), (4, 7725590), (5, 6180472), (8, 3862795), (10, 3090236), (19, 1626440), (20, 1545118), (38, 813220), (40, 772559), (73, 423320), (76, 406610), (95, 325288), (146, 211660), (152, 203305), (190, 162644), (292, 105830), (365, 84664), (380, 81322), (557, 55480), (584, 52915), (730, 42332), (760, 40661), (1114, 27740), (1387, 22280), (1460, 21166), (2228, 13870), (2774, 11140), (2785, 11096), (2920, 10583), (4456, 6935), (5548, 5570)]