2638131960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{263}}^1\times {\mathrm{83591}}^1$

素因数の和:83868

約数の個数: 64

約数和(自身を含む): 7944583680

約数和(自身を除く): 5306451720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 263, 526, 789, 1052, 1315, 1578, 2104, 2630, 3156, 3945, 5260, 6312, 7890, 10520, 15780, 31560, 83591, 167182, 250773, 334364, 417955, 501546, 668728, 835910, 1003092, 1253865, 1671820, 2006184, 2507730, 3343640, 5015460, 10030920, 21984433, 43968866, 65953299, 87937732, 109922165, 131906598, 175875464, 219844330, 263813196, 329766495, 439688660, 527626392, 659532990, 879377320, 1319065980, 2638131960]

約数ペア:

[(1, 2638131960), (2, 1319065980), (3, 879377320), (4, 659532990), (5, 527626392), (6, 439688660), (8, 329766495), (10, 263813196), (12, 219844330), (15, 175875464), (20, 131906598), (24, 109922165), (30, 87937732), (40, 65953299), (60, 43968866), (120, 21984433), (263, 10030920), (526, 5015460), (789, 3343640), (1052, 2507730), (1315, 2006184), (1578, 1671820), (2104, 1253865), (2630, 1003092), (3156, 835910), (3945, 668728), (5260, 501546), (6312, 417955), (7890, 334364), (10520, 250773), (15780, 167182), (31560, 83591)]