724681720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{1039}}^1$

素因数の和:1157

約数の個数: 128

約数和(自身を含む): 1940889600

約数和(自身を除く): 1216207880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 47, 53, 56, 70, 94, 106, 140, 188, 212, 235, 265, 280, 329, 371, 376, 424, 470, 530, 658, 742, 940, 1039, 1060, 1316, 1484, 1645, 1855, 1880, 2078, 2120, 2491, 2632, 2968, 3290, 3710, 4156, 4982, 5195, 6580, 7273, 7420, 8312, 9964, 10390, 12455, 13160, 14546, 14840, 17437, 19928, 20780, 24910, 29092, 34874, 36365, 41560, 48833, 49820, 55067, 58184, 69748, 72730, 87185, 97666, 99640, 110134, 139496, 145460, 174370, 195332, 220268, 244165, 275335, 290920, 341831, 348740, 385469, 390664, 440536, 488330, 550670, 683662, 697480, 770938, 976660, 1101340, 1367324, 1541876, 1709155, 1927345, 1953320, 2202680, 2588149, 2734648, 3083752, 3418310, 3854690, 5176298, 6836620, 7709380, 10352596, 12940745, 13673240, 15418760, 18117043, 20705192, 25881490, 36234086, 51762980, 72468172, 90585215, 103525960, 144936344, 181170430, 362340860, 724681720]

約数ペア:

[(1, 724681720), (2, 362340860), (4, 181170430), (5, 144936344), (7, 103525960), (8, 90585215), (10, 72468172), (14, 51762980), (20, 36234086), (28, 25881490), (35, 20705192), (40, 18117043), (47, 15418760), (53, 13673240), (56, 12940745), (70, 10352596), (94, 7709380), (106, 6836620), (140, 5176298), (188, 3854690), (212, 3418310), (235, 3083752), (265, 2734648), (280, 2588149), (329, 2202680), (371, 1953320), (376, 1927345), (424, 1709155), (470, 1541876), (530, 1367324), (658, 1101340), (742, 976660), (940, 770938), (1039, 697480), (1060, 683662), (1316, 550670), (1484, 488330), (1645, 440536), (1855, 390664), (1880, 385469), (2078, 348740), (2120, 341831), (2491, 290920), (2632, 275335), (2968, 244165), (3290, 220268), (3710, 195332), (4156, 174370), (4982, 145460), (5195, 139496), (6580, 110134), (7273, 99640), (7420, 97666), (8312, 87185), (9964, 72730), (10390, 69748), (12455, 58184), (13160, 55067), (14546, 49820), (14840, 48833), (17437, 41560), (19928, 36365), (20780, 34874), (24910, 29092)]