820287040

素因数分解:

$2^6\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{2389}}^1$

素因数の和:2472

約数の個数: 112

約数和(自身を含む): 2076145200

約数和(自身を除く): 1255858160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 37, 40, 58, 64, 74, 80, 116, 145, 148, 160, 185, 232, 290, 296, 320, 370, 464, 580, 592, 740, 928, 1073, 1160, 1184, 1480, 1856, 2146, 2320, 2368, 2389, 2960, 4292, 4640, 4778, 5365, 5920, 8584, 9280, 9556, 10730, 11840, 11945, 17168, 19112, 21460, 23890, 34336, 38224, 42920, 47780, 68672, 69281, 76448, 85840, 88393, 95560, 138562, 152896, 171680, 176786, 191120, 277124, 343360, 346405, 353572, 382240, 441965, 554248, 692810, 707144, 764480, 883930, 1108496, 1385620, 1414288, 1767860, 2216992, 2563397, 2771240, 2828576, 3535720, 4433984, 5126794, 5542480, 5657152, 7071440, 10253588, 11084960, 12816985, 14142880, 20507176, 22169920, 25633970, 28285760, 41014352, 51267940, 82028704, 102535880, 164057408, 205071760, 410143520, 820287040]

約数ペア:

[(1, 820287040), (2, 410143520), (4, 205071760), (5, 164057408), (8, 102535880), (10, 82028704), (16, 51267940), (20, 41014352), (29, 28285760), (32, 25633970), (37, 22169920), (40, 20507176), (58, 14142880), (64, 12816985), (74, 11084960), (80, 10253588), (116, 7071440), (145, 5657152), (148, 5542480), (160, 5126794), (185, 4433984), (232, 3535720), (290, 2828576), (296, 2771240), (320, 2563397), (370, 2216992), (464, 1767860), (580, 1414288), (592, 1385620), (740, 1108496), (928, 883930), (1073, 764480), (1160, 707144), (1184, 692810), (1480, 554248), (1856, 441965), (2146, 382240), (2320, 353572), (2368, 346405), (2389, 343360), (2960, 277124), (4292, 191120), (4640, 176786), (4778, 171680), (5365, 152896), (5920, 138562), (8584, 95560), (9280, 88393), (9556, 85840), (10730, 76448), (11840, 69281), (11945, 68672), (17168, 47780), (19112, 42920), (21460, 38224), (23890, 34336)]