81544080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{8287}}^1$

素因数の和:8344

約数の個数: 80

約数和(自身を含む): 258983424

約数和(自身を除く): 177439344

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 41, 48, 60, 80, 82, 120, 123, 164, 205, 240, 246, 328, 410, 492, 615, 656, 820, 984, 1230, 1640, 1968, 2460, 3280, 4920, 8287, 9840, 16574, 24861, 33148, 41435, 49722, 66296, 82870, 99444, 124305, 132592, 165740, 198888, 248610, 331480, 339767, 397776, 497220, 662960, 679534, 994440, 1019301, 1359068, 1698835, 1988880, 2038602, 2718136, 3397670, 4077204, 5096505, 5436272, 6795340, 8154408, 10193010, 13590680, 16308816, 20386020, 27181360, 40772040, 81544080]

約数ペア:

[(1, 81544080), (2, 40772040), (3, 27181360), (4, 20386020), (5, 16308816), (6, 13590680), (8, 10193010), (10, 8154408), (12, 6795340), (15, 5436272), (16, 5096505), (20, 4077204), (24, 3397670), (30, 2718136), (40, 2038602), (41, 1988880), (48, 1698835), (60, 1359068), (80, 1019301), (82, 994440), (120, 679534), (123, 662960), (164, 497220), (205, 397776), (240, 339767), (246, 331480), (328, 248610), (410, 198888), (492, 165740), (615, 132592), (656, 124305), (820, 99444), (984, 82870), (1230, 66296), (1640, 49722), (1968, 41435), (2460, 33148), (3280, 24861), (4920, 16574), (8287, 9840)]