15780490160

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{40933}}^1$

素因数の和:41086

約数の個数: 80

約数和(自身を含む): 37764071040

約数和(自身を除く): 21983580880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 79, 80, 122, 158, 244, 305, 316, 395, 488, 610, 632, 790, 976, 1220, 1264, 1580, 2440, 3160, 4819, 4880, 6320, 9638, 19276, 24095, 38552, 40933, 48190, 77104, 81866, 96380, 163732, 192760, 204665, 327464, 385520, 409330, 654928, 818660, 1637320, 2496913, 3233707, 3274640, 4993826, 6467414, 9987652, 12484565, 12934828, 16168535, 19975304, 24969130, 25869656, 32337070, 39950608, 49938260, 51739312, 64674140, 99876520, 129348280, 197256127, 199753040, 258696560, 394512254, 789024508, 986280635, 1578049016, 1972561270, 3156098032, 3945122540, 7890245080, 15780490160]

約数ペア:

[(1, 15780490160), (2, 7890245080), (4, 3945122540), (5, 3156098032), (8, 1972561270), (10, 1578049016), (16, 986280635), (20, 789024508), (40, 394512254), (61, 258696560), (79, 199753040), (80, 197256127), (122, 129348280), (158, 99876520), (244, 64674140), (305, 51739312), (316, 49938260), (395, 39950608), (488, 32337070), (610, 25869656), (632, 24969130), (790, 19975304), (976, 16168535), (1220, 12934828), (1264, 12484565), (1580, 9987652), (2440, 6467414), (3160, 4993826), (4819, 3274640), (4880, 3233707), (6320, 2496913), (9638, 1637320), (19276, 818660), (24095, 654928), (38552, 409330), (40933, 385520), (48190, 327464), (77104, 204665), (81866, 192760), (96380, 163732)]