81309360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1621}}^1$

素因数の和:1667

約数の個数: 160

約数和(自身を含む): 289624320

約数和(自身を除く): 208314960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 19, 20, 22, 24, 30, 33, 38, 40, 44, 48, 55, 57, 60, 66, 76, 80, 88, 95, 110, 114, 120, 132, 152, 165, 176, 190, 209, 220, 228, 240, 264, 285, 304, 330, 380, 418, 440, 456, 528, 570, 627, 660, 760, 836, 880, 912, 1045, 1140, 1254, 1320, 1520, 1621, 1672, 2090, 2280, 2508, 2640, 3135, 3242, 3344, 4180, 4560, 4863, 5016, 6270, 6484, 8105, 8360, 9726, 10032, 12540, 12968, 16210, 16720, 17831, 19452, 24315, 25080, 25936, 30799, 32420, 35662, 38904, 48630, 50160, 53493, 61598, 64840, 71324, 77808, 89155, 92397, 97260, 106986, 123196, 129680, 142648, 153995, 178310, 184794, 194520, 213972, 246392, 267465, 285296, 307990, 338789, 356620, 369588, 389040, 427944, 461985, 492784, 534930, 615980, 677578, 713240, 739176, 855888, 923970, 1016367, 1069860, 1231960, 1355156, 1426480, 1478352, 1693945, 1847940, 2032734, 2139720, 2463920, 2710312, 3387890, 3695880, 4065468, 4279440, 5081835, 5420624, 6775780, 7391760, 8130936, 10163670, 13551560, 16261872, 20327340, 27103120, 40654680, 81309360]

約数ペア:

[(1, 81309360), (2, 40654680), (3, 27103120), (4, 20327340), (5, 16261872), (6, 13551560), (8, 10163670), (10, 8130936), (11, 7391760), (12, 6775780), (15, 5420624), (16, 5081835), (19, 4279440), (20, 4065468), (22, 3695880), (24, 3387890), (30, 2710312), (33, 2463920), (38, 2139720), (40, 2032734), (44, 1847940), (48, 1693945), (55, 1478352), (57, 1426480), (60, 1355156), (66, 1231960), (76, 1069860), (80, 1016367), (88, 923970), (95, 855888), (110, 739176), (114, 713240), (120, 677578), (132, 615980), (152, 534930), (165, 492784), (176, 461985), (190, 427944), (209, 389040), (220, 369588), (228, 356620), (240, 338789), (264, 307990), (285, 285296), (304, 267465), (330, 246392), (380, 213972), (418, 194520), (440, 184794), (456, 178310), (528, 153995), (570, 142648), (627, 129680), (660, 123196), (760, 106986), (836, 97260), (880, 92397), (912, 89155), (1045, 77808), (1140, 71324), (1254, 64840), (1320, 61598), (1520, 53493), (1621, 50160), (1672, 48630), (2090, 38904), (2280, 35662), (2508, 32420), (2640, 30799), (3135, 25936), (3242, 25080), (3344, 24315), (4180, 19452), (4560, 17831), (4863, 16720), (5016, 16210), (6270, 12968), (6484, 12540), (8105, 10032), (8360, 9726)]