321984180

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{827}}^1$

素因数の和:955

約数の個数: 192

約数和(自身を含む): 1157345280

約数和(自身を除く): 835361100

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 103, 105, 108, 126, 135, 140, 180, 189, 206, 210, 252, 270, 309, 315, 378, 412, 420, 515, 540, 618, 630, 721, 756, 827, 927, 945, 1030, 1236, 1260, 1442, 1545, 1654, 1854, 1890, 2060, 2163, 2481, 2781, 2884, 3090, 3308, 3605, 3708, 3780, 4135, 4326, 4635, 4962, 5562, 5789, 6180, 6489, 7210, 7443, 8270, 8652, 9270, 9924, 10815, 11124, 11578, 12405, 12978, 13905, 14420, 14886, 16540, 17367, 18540, 19467, 21630, 22329, 23156, 24810, 25956, 27810, 28945, 29772, 32445, 34734, 37215, 38934, 43260, 44658, 49620, 52101, 55620, 57890, 64890, 69468, 74430, 77868, 85181, 86835, 89316, 97335, 104202, 111645, 115780, 129780, 148860, 156303, 170362, 173670, 194670, 208404, 223290, 255543, 260505, 312606, 340724, 347340, 389340, 425905, 446580, 511086, 521010, 596267, 625212, 766629, 781515, 851810, 1022172, 1042020, 1192534, 1277715, 1533258, 1563030, 1703620, 1788801, 2299887, 2385068, 2555430, 2981335, 3066516, 3126060, 3577602, 3833145, 4599774, 5110860, 5366403, 5962670, 7155204, 7666290, 8944005, 9199548, 10732806, 11499435, 11925340, 15332580, 16099209, 17888010, 21465612, 22998870, 26832015, 32198418, 35776020, 45997740, 53664030, 64396836, 80496045, 107328060, 160992090, 321984180]

約数ペア:

[(1, 321984180), (2, 160992090), (3, 107328060), (4, 80496045), (5, 64396836), (6, 53664030), (7, 45997740), (9, 35776020), (10, 32198418), (12, 26832015), (14, 22998870), (15, 21465612), (18, 17888010), (20, 16099209), (21, 15332580), (27, 11925340), (28, 11499435), (30, 10732806), (35, 9199548), (36, 8944005), (42, 7666290), (45, 7155204), (54, 5962670), (60, 5366403), (63, 5110860), (70, 4599774), (84, 3833145), (90, 3577602), (103, 3126060), (105, 3066516), (108, 2981335), (126, 2555430), (135, 2385068), (140, 2299887), (180, 1788801), (189, 1703620), (206, 1563030), (210, 1533258), (252, 1277715), (270, 1192534), (309, 1042020), (315, 1022172), (378, 851810), (412, 781515), (420, 766629), (515, 625212), (540, 596267), (618, 521010), (630, 511086), (721, 446580), (756, 425905), (827, 389340), (927, 347340), (945, 340724), (1030, 312606), (1236, 260505), (1260, 255543), (1442, 223290), (1545, 208404), (1654, 194670), (1854, 173670), (1890, 170362), (2060, 156303), (2163, 148860), (2481, 129780), (2781, 115780), (2884, 111645), (3090, 104202), (3308, 97335), (3605, 89316), (3708, 86835), (3780, 85181), (4135, 77868), (4326, 74430), (4635, 69468), (4962, 64890), (5562, 57890), (5789, 55620), (6180, 52101), (6489, 49620), (7210, 44658), (7443, 43260), (8270, 38934), (8652, 37215), (9270, 34734), (9924, 32445), (10815, 29772), (11124, 28945), (11578, 27810), (12405, 25956), (12978, 24810), (13905, 23156), (14420, 22329), (14886, 21630), (16540, 19467), (17367, 18540)]