256612800

素因数分解:

$2^6\times 3^1\times 5^2\times {\mathrm{193}}^1\times {\mathrm{277}}^1$

素因数の和:495

約数の個数: 168

約数和(自身を含む): 849321136

約数和(自身を除く): 592708336

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 64, 75, 80, 96, 100, 120, 150, 160, 192, 193, 200, 240, 277, 300, 320, 386, 400, 480, 554, 579, 600, 772, 800, 831, 960, 965, 1108, 1158, 1200, 1385, 1544, 1600, 1662, 1930, 2216, 2316, 2400, 2770, 2895, 3088, 3324, 3860, 4155, 4432, 4632, 4800, 4825, 5540, 5790, 6176, 6648, 6925, 7720, 8310, 8864, 9264, 9650, 11080, 11580, 12352, 13296, 13850, 14475, 15440, 16620, 17728, 18528, 19300, 20775, 22160, 23160, 26592, 27700, 28950, 30880, 33240, 37056, 38600, 41550, 44320, 46320, 53184, 53461, 55400, 57900, 61760, 66480, 77200, 83100, 88640, 92640, 106922, 110800, 115800, 132960, 154400, 160383, 166200, 185280, 213844, 221600, 231600, 265920, 267305, 308800, 320766, 332400, 427688, 443200, 463200, 534610, 641532, 664800, 801915, 855376, 926400, 1069220, 1283064, 1329600, 1336525, 1603830, 1710752, 2138440, 2566128, 2673050, 3207660, 3421504, 4009575, 4276880, 5132256, 5346100, 6415320, 8019150, 8553760, 10264512, 10692200, 12830640, 16038300, 17107520, 21384400, 25661280, 32076600, 42768800, 51322560, 64153200, 85537600, 128306400, 256612800]

約数ペア:

[(1, 256612800), (2, 128306400), (3, 85537600), (4, 64153200), (5, 51322560), (6, 42768800), (8, 32076600), (10, 25661280), (12, 21384400), (15, 17107520), (16, 16038300), (20, 12830640), (24, 10692200), (25, 10264512), (30, 8553760), (32, 8019150), (40, 6415320), (48, 5346100), (50, 5132256), (60, 4276880), (64, 4009575), (75, 3421504), (80, 3207660), (96, 2673050), (100, 2566128), (120, 2138440), (150, 1710752), (160, 1603830), (192, 1336525), (193, 1329600), (200, 1283064), (240, 1069220), (277, 926400), (300, 855376), (320, 801915), (386, 664800), (400, 641532), (480, 534610), (554, 463200), (579, 443200), (600, 427688), (772, 332400), (800, 320766), (831, 308800), (960, 267305), (965, 265920), (1108, 231600), (1158, 221600), (1200, 213844), (1385, 185280), (1544, 166200), (1600, 160383), (1662, 154400), (1930, 132960), (2216, 115800), (2316, 110800), (2400, 106922), (2770, 92640), (2895, 88640), (3088, 83100), (3324, 77200), (3860, 66480), (4155, 61760), (4432, 57900), (4632, 55400), (4800, 53461), (4825, 53184), (5540, 46320), (5790, 44320), (6176, 41550), (6648, 38600), (6925, 37056), (7720, 33240), (8310, 30880), (8864, 28950), (9264, 27700), (9650, 26592), (11080, 23160), (11580, 22160), (12352, 20775), (13296, 19300), (13850, 18528), (14475, 17728), (15440, 16620)]