2461640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:150

約数の個数: 64

約数和(自身を含む): 6048000

約数和(自身を除く): 3586360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 41, 76, 79, 82, 95, 152, 158, 164, 190, 205, 316, 328, 380, 395, 410, 632, 760, 779, 790, 820, 1501, 1558, 1580, 1640, 3002, 3116, 3160, 3239, 3895, 6004, 6232, 6478, 7505, 7790, 12008, 12956, 15010, 15580, 16195, 25912, 30020, 31160, 32390, 60040, 61541, 64780, 123082, 129560, 246164, 307705, 492328, 615410, 1230820, 2461640]

約数ペア:

[(1, 2461640), (2, 1230820), (4, 615410), (5, 492328), (8, 307705), (10, 246164), (19, 129560), (20, 123082), (38, 64780), (40, 61541), (41, 60040), (76, 32390), (79, 31160), (82, 30020), (95, 25912), (152, 16195), (158, 15580), (164, 15010), (190, 12956), (205, 12008), (316, 7790), (328, 7505), (380, 6478), (395, 6232), (410, 6004), (632, 3895), (760, 3239), (779, 3160), (790, 3116), (820, 3002), (1501, 1640), (1558, 1580)]