212937720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{1423}}^1$

素因数の和:1509

約数の個数: 128

約数和(自身を含む): 676684800

約数和(自身を除く): 463747080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 40, 43, 58, 60, 86, 87, 116, 120, 129, 145, 172, 174, 215, 232, 258, 290, 344, 348, 430, 435, 516, 580, 645, 696, 860, 870, 1032, 1160, 1247, 1290, 1423, 1720, 1740, 2494, 2580, 2846, 3480, 3741, 4269, 4988, 5160, 5692, 6235, 7115, 7482, 8538, 9976, 11384, 12470, 14230, 14964, 17076, 18705, 21345, 24940, 28460, 29928, 34152, 37410, 41267, 42690, 49880, 56920, 61189, 74820, 82534, 85380, 122378, 123801, 149640, 165068, 170760, 183567, 206335, 244756, 247602, 305945, 330136, 367134, 412670, 489512, 495204, 611890, 619005, 734268, 825340, 917835, 990408, 1223780, 1238010, 1468536, 1650680, 1774481, 1835670, 2447560, 2476020, 3548962, 3671340, 4952040, 5323443, 7097924, 7342680, 8872405, 10646886, 14195848, 17744810, 21293772, 26617215, 35489620, 42587544, 53234430, 70979240, 106468860, 212937720]

約数ペア:

[(1, 212937720), (2, 106468860), (3, 70979240), (4, 53234430), (5, 42587544), (6, 35489620), (8, 26617215), (10, 21293772), (12, 17744810), (15, 14195848), (20, 10646886), (24, 8872405), (29, 7342680), (30, 7097924), (40, 5323443), (43, 4952040), (58, 3671340), (60, 3548962), (86, 2476020), (87, 2447560), (116, 1835670), (120, 1774481), (129, 1650680), (145, 1468536), (172, 1238010), (174, 1223780), (215, 990408), (232, 917835), (258, 825340), (290, 734268), (344, 619005), (348, 611890), (430, 495204), (435, 489512), (516, 412670), (580, 367134), (645, 330136), (696, 305945), (860, 247602), (870, 244756), (1032, 206335), (1160, 183567), (1247, 170760), (1290, 165068), (1423, 149640), (1720, 123801), (1740, 122378), (2494, 85380), (2580, 82534), (2846, 74820), (3480, 61189), (3741, 56920), (4269, 49880), (4988, 42690), (5160, 41267), (5692, 37410), (6235, 34152), (7115, 29928), (7482, 28460), (8538, 24940), (9976, 21345), (11384, 18705), (12470, 17076), (14230, 14964)]