513375240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{613}}^1\times {\mathrm{997}}^1$

素因数の和:1631

約数の個数: 128

約数和(自身を含む): 1764783360

約数和(自身を除く): 1251408120

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, 70, 84, 105, 120, 140, 168, 210, 280, 420, 613, 840, 997, 1226, 1839, 1994, 2452, 2991, 3065, 3678, 3988, 4291, 4904, 4985, 5982, 6130, 6979, 7356, 7976, 8582, 9195, 9970, 11964, 12260, 12873, 13958, 14712, 14955, 17164, 18390, 19940, 20937, 21455, 23928, 24520, 25746, 27916, 29910, 34328, 34895, 36780, 39880, 41874, 42910, 51492, 55832, 59820, 64365, 69790, 73560, 83748, 85820, 102984, 104685, 119640, 128730, 139580, 167496, 171640, 209370, 257460, 279160, 418740, 514920, 611161, 837480, 1222322, 1833483, 2444644, 3055805, 3666966, 4278127, 4889288, 6111610, 7333932, 8556254, 9167415, 12223220, 12834381, 14667864, 17112508, 18334830, 21390635, 24446440, 25668762, 34225016, 36669660, 42781270, 51337524, 64171905, 73339320, 85562540, 102675048, 128343810, 171125080, 256687620, 513375240]

約数ペア:

[(1, 513375240), (2, 256687620), (3, 171125080), (4, 128343810), (5, 102675048), (6, 85562540), (7, 73339320), (8, 64171905), (10, 51337524), (12, 42781270), (14, 36669660), (15, 34225016), (20, 25668762), (21, 24446440), (24, 21390635), (28, 18334830), (30, 17112508), (35, 14667864), (40, 12834381), (42, 12223220), (56, 9167415), (60, 8556254), (70, 7333932), (84, 6111610), (105, 4889288), (120, 4278127), (140, 3666966), (168, 3055805), (210, 2444644), (280, 1833483), (420, 1222322), (613, 837480), (840, 611161), (997, 514920), (1226, 418740), (1839, 279160), (1994, 257460), (2452, 209370), (2991, 171640), (3065, 167496), (3678, 139580), (3988, 128730), (4291, 119640), (4904, 104685), (4985, 102984), (5982, 85820), (6130, 83748), (6979, 73560), (7356, 69790), (7976, 64365), (8582, 59820), (9195, 55832), (9970, 51492), (11964, 42910), (12260, 41874), (12873, 39880), (13958, 36780), (14712, 34895), (14955, 34328), (17164, 29910), (18390, 27916), (19940, 25746), (20937, 24520), (21455, 23928)]