51086280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{997}}^1$

素因数の和:1079

約数の個数: 128

約数和(自身を含む): 178202880

約数和(自身を除く): 127116600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 61, 70, 84, 105, 120, 122, 140, 168, 183, 210, 244, 280, 305, 366, 420, 427, 488, 610, 732, 840, 854, 915, 997, 1220, 1281, 1464, 1708, 1830, 1994, 2135, 2440, 2562, 2991, 3416, 3660, 3988, 4270, 4985, 5124, 5982, 6405, 6979, 7320, 7976, 8540, 9970, 10248, 11964, 12810, 13958, 14955, 17080, 19940, 20937, 23928, 25620, 27916, 29910, 34895, 39880, 41874, 51240, 55832, 59820, 60817, 69790, 83748, 104685, 119640, 121634, 139580, 167496, 182451, 209370, 243268, 279160, 304085, 364902, 418740, 425719, 486536, 608170, 729804, 837480, 851438, 912255, 1216340, 1277157, 1459608, 1702876, 1824510, 2128595, 2432680, 2554314, 3405752, 3649020, 4257190, 5108628, 6385785, 7298040, 8514380, 10217256, 12771570, 17028760, 25543140, 51086280]

約数ペア:

[(1, 51086280), (2, 25543140), (3, 17028760), (4, 12771570), (5, 10217256), (6, 8514380), (7, 7298040), (8, 6385785), (10, 5108628), (12, 4257190), (14, 3649020), (15, 3405752), (20, 2554314), (21, 2432680), (24, 2128595), (28, 1824510), (30, 1702876), (35, 1459608), (40, 1277157), (42, 1216340), (56, 912255), (60, 851438), (61, 837480), (70, 729804), (84, 608170), (105, 486536), (120, 425719), (122, 418740), (140, 364902), (168, 304085), (183, 279160), (210, 243268), (244, 209370), (280, 182451), (305, 167496), (366, 139580), (420, 121634), (427, 119640), (488, 104685), (610, 83748), (732, 69790), (840, 60817), (854, 59820), (915, 55832), (997, 51240), (1220, 41874), (1281, 39880), (1464, 34895), (1708, 29910), (1830, 27916), (1994, 25620), (2135, 23928), (2440, 20937), (2562, 19940), (2991, 17080), (3416, 14955), (3660, 13958), (3988, 12810), (4270, 11964), (4985, 10248), (5124, 9970), (5982, 8540), (6405, 7976), (6979, 7320)]