390265680

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{233}}^1\times {\mathrm{997}}^1$

素因数の和:1253

約数の個数: 160

約数和(自身を含む): 1389982464

約数和(自身を除く): 999716784

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 233, 240, 280, 336, 420, 466, 560, 699, 840, 932, 997, 1165, 1398, 1631, 1680, 1864, 1994, 2330, 2796, 2991, 3262, 3495, 3728, 3988, 4660, 4893, 4985, 5592, 5982, 6524, 6979, 6990, 7976, 8155, 9320, 9786, 9970, 11184, 11964, 13048, 13958, 13980, 14955, 15952, 16310, 18640, 19572, 19940, 20937, 23928, 24465, 26096, 27916, 27960, 29910, 32620, 34895, 39144, 39880, 41874, 47856, 48930, 55832, 55920, 59820, 65240, 69790, 78288, 79760, 83748, 97860, 104685, 111664, 119640, 130480, 139580, 167496, 195720, 209370, 232301, 239280, 279160, 334992, 391440, 418740, 464602, 558320, 696903, 837480, 929204, 1161505, 1393806, 1626107, 1674960, 1858408, 2323010, 2787612, 3252214, 3484515, 3716816, 4646020, 4878321, 5575224, 6504428, 6969030, 8130535, 9292040, 9756642, 11150448, 13008856, 13938060, 16261070, 18584080, 19513284, 24391605, 26017712, 27876120, 32522140, 39026568, 48783210, 55752240, 65044280, 78053136, 97566420, 130088560, 195132840, 390265680]

約数ペア:

[(1, 390265680), (2, 195132840), (3, 130088560), (4, 97566420), (5, 78053136), (6, 65044280), (7, 55752240), (8, 48783210), (10, 39026568), (12, 32522140), (14, 27876120), (15, 26017712), (16, 24391605), (20, 19513284), (21, 18584080), (24, 16261070), (28, 13938060), (30, 13008856), (35, 11150448), (40, 9756642), (42, 9292040), (48, 8130535), (56, 6969030), (60, 6504428), (70, 5575224), (80, 4878321), (84, 4646020), (105, 3716816), (112, 3484515), (120, 3252214), (140, 2787612), (168, 2323010), (210, 1858408), (233, 1674960), (240, 1626107), (280, 1393806), (336, 1161505), (420, 929204), (466, 837480), (560, 696903), (699, 558320), (840, 464602), (932, 418740), (997, 391440), (1165, 334992), (1398, 279160), (1631, 239280), (1680, 232301), (1864, 209370), (1994, 195720), (2330, 167496), (2796, 139580), (2991, 130480), (3262, 119640), (3495, 111664), (3728, 104685), (3988, 97860), (4660, 83748), (4893, 79760), (4985, 78288), (5592, 69790), (5982, 65240), (6524, 59820), (6979, 55920), (6990, 55832), (7976, 48930), (8155, 47856), (9320, 41874), (9786, 39880), (9970, 39144), (11184, 34895), (11964, 32620), (13048, 29910), (13958, 27960), (13980, 27916), (14955, 26096), (15952, 24465), (16310, 23928), (18640, 20937), (19572, 19940)]