81465360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{487}}^1$

素因数の和:561

約数の個数: 160

約数和(自身を含む): 274482432

約数和(自身を除く): 193017072

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 41, 48, 51, 60, 68, 80, 82, 85, 102, 120, 123, 136, 164, 170, 204, 205, 240, 246, 255, 272, 328, 340, 408, 410, 487, 492, 510, 615, 656, 680, 697, 816, 820, 974, 984, 1020, 1230, 1360, 1394, 1461, 1640, 1948, 1968, 2040, 2091, 2435, 2460, 2788, 2922, 3280, 3485, 3896, 4080, 4182, 4870, 4920, 5576, 5844, 6970, 7305, 7792, 8279, 8364, 9740, 9840, 10455, 11152, 11688, 13940, 14610, 16558, 16728, 19480, 19967, 20910, 23376, 24837, 27880, 29220, 33116, 33456, 38960, 39934, 41395, 41820, 49674, 55760, 58440, 59901, 66232, 79868, 82790, 83640, 99348, 99835, 116880, 119802, 124185, 132464, 159736, 165580, 167280, 198696, 199670, 239604, 248370, 299505, 319472, 331160, 339439, 397392, 399340, 479208, 496740, 599010, 662320, 678878, 798680, 958416, 993480, 1018317, 1198020, 1357756, 1597360, 1697195, 1986960, 2036634, 2396040, 2715512, 3394390, 4073268, 4792080, 5091585, 5431024, 6788780, 8146536, 10183170, 13577560, 16293072, 20366340, 27155120, 40732680, 81465360]

約数ペア:

[(1, 81465360), (2, 40732680), (3, 27155120), (4, 20366340), (5, 16293072), (6, 13577560), (8, 10183170), (10, 8146536), (12, 6788780), (15, 5431024), (16, 5091585), (17, 4792080), (20, 4073268), (24, 3394390), (30, 2715512), (34, 2396040), (40, 2036634), (41, 1986960), (48, 1697195), (51, 1597360), (60, 1357756), (68, 1198020), (80, 1018317), (82, 993480), (85, 958416), (102, 798680), (120, 678878), (123, 662320), (136, 599010), (164, 496740), (170, 479208), (204, 399340), (205, 397392), (240, 339439), (246, 331160), (255, 319472), (272, 299505), (328, 248370), (340, 239604), (408, 199670), (410, 198696), (487, 167280), (492, 165580), (510, 159736), (615, 132464), (656, 124185), (680, 119802), (697, 116880), (816, 99835), (820, 99348), (974, 83640), (984, 82790), (1020, 79868), (1230, 66232), (1360, 59901), (1394, 58440), (1461, 55760), (1640, 49674), (1948, 41820), (1968, 41395), (2040, 39934), (2091, 38960), (2435, 33456), (2460, 33116), (2788, 29220), (2922, 27880), (3280, 24837), (3485, 23376), (3896, 20910), (4080, 19967), (4182, 19480), (4870, 16728), (4920, 16558), (5576, 14610), (5844, 13940), (6970, 11688), (7305, 11152), (7792, 10455), (8279, 9840), (8364, 9740)]