253809920

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2179}}^1$

素因数の和:2220

約数の個数: 144

約数和(自身を含む): 748594560

約数和(自身を除く): 494784640

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 128, 130, 140, 160, 182, 208, 224, 256, 260, 280, 320, 364, 416, 448, 455, 520, 560, 640, 728, 832, 896, 910, 1040, 1120, 1280, 1456, 1664, 1792, 1820, 2080, 2179, 2240, 2912, 3328, 3640, 4160, 4358, 4480, 5824, 7280, 8320, 8716, 8960, 10895, 11648, 14560, 15253, 16640, 17432, 21790, 23296, 28327, 29120, 30506, 34864, 43580, 56654, 58240, 61012, 69728, 76265, 87160, 113308, 116480, 122024, 139456, 141635, 152530, 174320, 198289, 226616, 244048, 278912, 283270, 305060, 348640, 396578, 453232, 488096, 557824, 566540, 610120, 697280, 793156, 906464, 976192, 991445, 1133080, 1220240, 1394560, 1586312, 1812928, 1952384, 1982890, 2266160, 2440480, 2789120, 3172624, 3625856, 3904768, 3965780, 4532320, 4880960, 6345248, 7251712, 7931560, 9064640, 9761920, 12690496, 15863120, 18129280, 19523840, 25380992, 31726240, 36258560, 50761984, 63452480, 126904960, 253809920]

約数ペア:

[(1, 253809920), (2, 126904960), (4, 63452480), (5, 50761984), (7, 36258560), (8, 31726240), (10, 25380992), (13, 19523840), (14, 18129280), (16, 15863120), (20, 12690496), (26, 9761920), (28, 9064640), (32, 7931560), (35, 7251712), (40, 6345248), (52, 4880960), (56, 4532320), (64, 3965780), (65, 3904768), (70, 3625856), (80, 3172624), (91, 2789120), (104, 2440480), (112, 2266160), (128, 1982890), (130, 1952384), (140, 1812928), (160, 1586312), (182, 1394560), (208, 1220240), (224, 1133080), (256, 991445), (260, 976192), (280, 906464), (320, 793156), (364, 697280), (416, 610120), (448, 566540), (455, 557824), (520, 488096), (560, 453232), (640, 396578), (728, 348640), (832, 305060), (896, 283270), (910, 278912), (1040, 244048), (1120, 226616), (1280, 198289), (1456, 174320), (1664, 152530), (1792, 141635), (1820, 139456), (2080, 122024), (2179, 116480), (2240, 113308), (2912, 87160), (3328, 76265), (3640, 69728), (4160, 61012), (4358, 58240), (4480, 56654), (5824, 43580), (7280, 34864), (8320, 30506), (8716, 29120), (8960, 28327), (10895, 23296), (11648, 21790), (14560, 17432), (15253, 16640)]