163925720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{1907}}^1$

素因数の和:2232

約数の個数: 64

約数和(自身を含む): 423118080

約数和(自身を除く): 259192360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 307, 614, 1228, 1535, 1907, 2149, 2456, 3070, 3814, 4298, 6140, 7628, 8596, 9535, 10745, 12280, 13349, 15256, 17192, 19070, 21490, 26698, 38140, 42980, 53396, 66745, 76280, 85960, 106792, 133490, 266980, 533960, 585449, 1170898, 2341796, 2927245, 4098143, 4683592, 5854490, 8196286, 11708980, 16392572, 20490715, 23417960, 32785144, 40981430, 81962860, 163925720]

約数ペア:

[(1, 163925720), (2, 81962860), (4, 40981430), (5, 32785144), (7, 23417960), (8, 20490715), (10, 16392572), (14, 11708980), (20, 8196286), (28, 5854490), (35, 4683592), (40, 4098143), (56, 2927245), (70, 2341796), (140, 1170898), (280, 585449), (307, 533960), (614, 266980), (1228, 133490), (1535, 106792), (1907, 85960), (2149, 76280), (2456, 66745), (3070, 53396), (3814, 42980), (4298, 38140), (6140, 26698), (7628, 21490), (8596, 19070), (9535, 17192), (10745, 15256), (12280, 13349)]