123420780

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{317}}^1$

素因数の和:445

約数の個数: 192

約数和(自身を含む): 444487680

約数和(自身を除く): 321066900

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, 317, 378, 412, 420, 515, 540, 618, 630, 634, 721, 756, 927, 945, 951, 1030, 1236, 1260, 1268, 1442, 1545, 1585, 1854, 1890, 1902, 2060, 2163, 2219, 2781, 2853, 2884, 3090, 3170, 3605, 3708, 3780, 3804, 4326, 4438, 4635, 4755, 5562, 5706, 6180, 6340, 6489, 6657, 7210, 8559, 8652, 8876, 9270, 9510, 10815, 11095, 11124, 11412, 12978, 13314, 13905, 14265, 14420, 17118, 18540, 19020, 19467, 19971, 21630, 22190, 25956, 26628, 27810, 28530, 32445, 32651, 33285, 34236, 38934, 39942, 42795, 43260, 44380, 55620, 57060, 59913, 64890, 65302, 66570, 77868, 79884, 85590, 97335, 97953, 99855, 119826, 129780, 130604, 133140, 163255, 171180, 194670, 195906, 199710, 228557, 239652, 293859, 299565, 326510, 389340, 391812, 399420, 457114, 489765, 587718, 599130, 653020, 685671, 881577, 914228, 979530, 1142785, 1175436, 1198260, 1371342, 1469295, 1763154, 1959060, 2057013, 2285570, 2742684, 2938590, 3428355, 3526308, 4114026, 4407885, 4571140, 5877180, 6171039, 6856710, 8228052, 8815770, 10285065, 12342078, 13713420, 17631540, 20570130, 24684156, 30855195, 41140260, 61710390, 123420780]

約数ペア:

[(1, 123420780), (2, 61710390), (3, 41140260), (4, 30855195), (5, 24684156), (6, 20570130), (7, 17631540), (9, 13713420), (10, 12342078), (12, 10285065), (14, 8815770), (15, 8228052), (18, 6856710), (20, 6171039), (21, 5877180), (27, 4571140), (28, 4407885), (30, 4114026), (35, 3526308), (36, 3428355), (42, 2938590), (45, 2742684), (54, 2285570), (60, 2057013), (63, 1959060), (70, 1763154), (84, 1469295), (90, 1371342), (103, 1198260), (105, 1175436), (108, 1142785), (126, 979530), (135, 914228), (140, 881577), (180, 685671), (189, 653020), (206, 599130), (210, 587718), (252, 489765), (270, 457114), (309, 399420), (315, 391812), (317, 389340), (378, 326510), (412, 299565), (420, 293859), (515, 239652), (540, 228557), (618, 199710), (630, 195906), (634, 194670), (721, 171180), (756, 163255), (927, 133140), (945, 130604), (951, 129780), (1030, 119826), (1236, 99855), (1260, 97953), (1268, 97335), (1442, 85590), (1545, 79884), (1585, 77868), (1854, 66570), (1890, 65302), (1902, 64890), (2060, 59913), (2163, 57060), (2219, 55620), (2781, 44380), (2853, 43260), (2884, 42795), (3090, 39942), (3170, 38934), (3605, 34236), (3708, 33285), (3780, 32651), (3804, 32445), (4326, 28530), (4438, 27810), (4635, 26628), (4755, 25956), (5562, 22190), (5706, 21630), (6180, 19971), (6340, 19467), (6489, 19020), (6657, 18540), (7210, 17118), (8559, 14420), (8652, 14265), (8876, 13905), (9270, 13314), (9510, 12978), (10815, 11412), (11095, 11124)]