81313760

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{983}}^1$

素因数の和:1056

約数の個数: 96

約数和(自身を含む): 214244352

約数和(自身を除く): 132930592

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 47, 55, 80, 88, 94, 110, 160, 176, 188, 220, 235, 352, 376, 440, 470, 517, 752, 880, 940, 983, 1034, 1504, 1760, 1880, 1966, 2068, 2585, 3760, 3932, 4136, 4915, 5170, 7520, 7864, 8272, 9830, 10340, 10813, 15728, 16544, 19660, 20680, 21626, 31456, 39320, 41360, 43252, 46201, 54065, 78640, 82720, 86504, 92402, 108130, 157280, 173008, 184804, 216260, 231005, 346016, 369608, 432520, 462010, 508211, 739216, 865040, 924020, 1016422, 1478432, 1730080, 1848040, 2032844, 2541055, 3696080, 4065688, 5082110, 7392160, 8131376, 10164220, 16262752, 20328440, 40656880, 81313760]

約数ペア:

[(1, 81313760), (2, 40656880), (4, 20328440), (5, 16262752), (8, 10164220), (10, 8131376), (11, 7392160), (16, 5082110), (20, 4065688), (22, 3696080), (32, 2541055), (40, 2032844), (44, 1848040), (47, 1730080), (55, 1478432), (80, 1016422), (88, 924020), (94, 865040), (110, 739216), (160, 508211), (176, 462010), (188, 432520), (220, 369608), (235, 346016), (352, 231005), (376, 216260), (440, 184804), (470, 173008), (517, 157280), (752, 108130), (880, 92402), (940, 86504), (983, 82720), (1034, 78640), (1504, 54065), (1760, 46201), (1880, 43252), (1966, 41360), (2068, 39320), (2585, 31456), (3760, 21626), (3932, 20680), (4136, 19660), (4915, 16544), (5170, 15728), (7520, 10813), (7864, 10340), (8272, 9830)]