1441960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1$

素因数の和:130

約数の個数: 64

約数和(自身を含む): 3628800

約数和(自身を除く): 2186840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 47, 52, 59, 65, 94, 104, 118, 130, 188, 235, 236, 260, 295, 376, 470, 472, 520, 590, 611, 767, 940, 1180, 1222, 1534, 1880, 2360, 2444, 2773, 3055, 3068, 3835, 4888, 5546, 6110, 6136, 7670, 11092, 12220, 13865, 15340, 22184, 24440, 27730, 30680, 36049, 55460, 72098, 110920, 144196, 180245, 288392, 360490, 720980, 1441960]

約数ペア:

[(1, 1441960), (2, 720980), (4, 360490), (5, 288392), (8, 180245), (10, 144196), (13, 110920), (20, 72098), (26, 55460), (40, 36049), (47, 30680), (52, 27730), (59, 24440), (65, 22184), (94, 15340), (104, 13865), (118, 12220), (130, 11092), (188, 7670), (235, 6136), (236, 6110), (260, 5546), (295, 4888), (376, 3835), (470, 3068), (472, 3055), (520, 2773), (590, 2444), (611, 2360), (767, 1880), (940, 1534), (1180, 1222)]