890102080

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{2531}}^1$

素因数の和:2712

約数の個数: 112

約数和(自身を含む): 2438741376

約数和(自身を除く): 1548639296

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 157, 160, 224, 280, 314, 320, 448, 560, 628, 785, 1099, 1120, 1256, 1570, 2198, 2240, 2512, 2531, 3140, 4396, 5024, 5062, 5495, 6280, 8792, 10048, 10124, 10990, 12560, 12655, 17584, 17717, 20248, 21980, 25120, 25310, 35168, 35434, 40496, 43960, 50240, 50620, 70336, 70868, 80992, 87920, 88585, 101240, 141736, 161984, 175840, 177170, 202480, 283472, 351680, 354340, 397367, 404960, 566944, 708680, 794734, 809920, 1133888, 1417360, 1589468, 1986835, 2781569, 2834720, 3178936, 3973670, 5563138, 5669440, 6357872, 7947340, 11126276, 12715744, 13907845, 15894680, 22252552, 25431488, 27815690, 31789360, 44505104, 55631380, 63578720, 89010208, 111262760, 127157440, 178020416, 222525520, 445051040, 890102080]

約数ペア:

[(1, 890102080), (2, 445051040), (4, 222525520), (5, 178020416), (7, 127157440), (8, 111262760), (10, 89010208), (14, 63578720), (16, 55631380), (20, 44505104), (28, 31789360), (32, 27815690), (35, 25431488), (40, 22252552), (56, 15894680), (64, 13907845), (70, 12715744), (80, 11126276), (112, 7947340), (140, 6357872), (157, 5669440), (160, 5563138), (224, 3973670), (280, 3178936), (314, 2834720), (320, 2781569), (448, 1986835), (560, 1589468), (628, 1417360), (785, 1133888), (1099, 809920), (1120, 794734), (1256, 708680), (1570, 566944), (2198, 404960), (2240, 397367), (2512, 354340), (2531, 351680), (3140, 283472), (4396, 202480), (5024, 177170), (5062, 175840), (5495, 161984), (6280, 141736), (8792, 101240), (10048, 88585), (10124, 87920), (10990, 80992), (12560, 70868), (12655, 70336), (17584, 50620), (17717, 50240), (20248, 43960), (21980, 40496), (25120, 35434), (25310, 35168)]