66424760

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1231}}^1$

素因数の和:1332

約数の個数: 64

約数和(自身を含む): 159667200

約数和(自身を除く): 93242440

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 71, 76, 95, 142, 152, 190, 284, 355, 380, 568, 710, 760, 1231, 1349, 1420, 2462, 2698, 2840, 4924, 5396, 6155, 6745, 9848, 10792, 12310, 13490, 23389, 24620, 26980, 46778, 49240, 53960, 87401, 93556, 116945, 174802, 187112, 233890, 349604, 437005, 467780, 699208, 874010, 935560, 1660619, 1748020, 3321238, 3496040, 6642476, 8303095, 13284952, 16606190, 33212380, 66424760]

約数ペア:

[(1, 66424760), (2, 33212380), (4, 16606190), (5, 13284952), (8, 8303095), (10, 6642476), (19, 3496040), (20, 3321238), (38, 1748020), (40, 1660619), (71, 935560), (76, 874010), (95, 699208), (142, 467780), (152, 437005), (190, 349604), (284, 233890), (355, 187112), (380, 174802), (568, 116945), (710, 93556), (760, 87401), (1231, 53960), (1349, 49240), (1420, 46778), (2462, 26980), (2698, 24620), (2840, 23389), (4924, 13490), (5396, 12310), (6155, 10792), (6745, 9848)]