128750720

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{991}}^1$

素因数の和:1046

約数の個数: 128

約数和(自身を含む): 364262400

約数和(自身を除く): 235511680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 32, 35, 40, 56, 58, 64, 70, 80, 112, 116, 128, 140, 145, 160, 203, 224, 232, 280, 290, 320, 406, 448, 464, 560, 580, 640, 812, 896, 928, 991, 1015, 1120, 1160, 1624, 1856, 1982, 2030, 2240, 2320, 3248, 3712, 3964, 4060, 4480, 4640, 4955, 6496, 6937, 7928, 8120, 9280, 9910, 12992, 13874, 15856, 16240, 18560, 19820, 25984, 27748, 28739, 31712, 32480, 34685, 39640, 55496, 57478, 63424, 64960, 69370, 79280, 110992, 114956, 126848, 129920, 138740, 143695, 158560, 201173, 221984, 229912, 277480, 287390, 317120, 402346, 443968, 459824, 554960, 574780, 634240, 804692, 887936, 919648, 1005865, 1109920, 1149560, 1609384, 1839296, 2011730, 2219840, 2299120, 3218768, 3678592, 4023460, 4439680, 4598240, 6437536, 8046920, 9196480, 12875072, 16093840, 18392960, 25750144, 32187680, 64375360, 128750720]

約数ペア:

[(1, 128750720), (2, 64375360), (4, 32187680), (5, 25750144), (7, 18392960), (8, 16093840), (10, 12875072), (14, 9196480), (16, 8046920), (20, 6437536), (28, 4598240), (29, 4439680), (32, 4023460), (35, 3678592), (40, 3218768), (56, 2299120), (58, 2219840), (64, 2011730), (70, 1839296), (80, 1609384), (112, 1149560), (116, 1109920), (128, 1005865), (140, 919648), (145, 887936), (160, 804692), (203, 634240), (224, 574780), (232, 554960), (280, 459824), (290, 443968), (320, 402346), (406, 317120), (448, 287390), (464, 277480), (560, 229912), (580, 221984), (640, 201173), (812, 158560), (896, 143695), (928, 138740), (991, 129920), (1015, 126848), (1120, 114956), (1160, 110992), (1624, 79280), (1856, 69370), (1982, 64960), (2030, 63424), (2240, 57478), (2320, 55496), (3248, 39640), (3712, 34685), (3964, 32480), (4060, 31712), (4480, 28739), (4640, 27748), (4955, 25984), (6496, 19820), (6937, 18560), (7928, 16240), (8120, 15856), (9280, 13874), (9910, 12992)]