15861560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1$

素因数の和:141

約数の個数: 128

約数和(自身を含む): 43545600

約数和(自身を除く): 27684040

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 47, 52, 55, 59, 65, 88, 94, 104, 110, 118, 130, 143, 188, 220, 235, 236, 260, 286, 295, 376, 440, 470, 472, 517, 520, 572, 590, 611, 649, 715, 767, 940, 1034, 1144, 1180, 1222, 1298, 1430, 1534, 1880, 2068, 2360, 2444, 2585, 2596, 2773, 2860, 3055, 3068, 3245, 3835, 4136, 4888, 5170, 5192, 5546, 5720, 6110, 6136, 6490, 6721, 7670, 8437, 10340, 11092, 12220, 12980, 13442, 13865, 15340, 16874, 20680, 22184, 24440, 25960, 26884, 27730, 30503, 30680, 33605, 33748, 36049, 42185, 53768, 55460, 61006, 67210, 67496, 72098, 84370, 110920, 122012, 134420, 144196, 152515, 168740, 180245, 244024, 268840, 288392, 305030, 337480, 360490, 396539, 610060, 720980, 793078, 1220120, 1441960, 1586156, 1982695, 3172312, 3965390, 7930780, 15861560]

約数ペア:

[(1, 15861560), (2, 7930780), (4, 3965390), (5, 3172312), (8, 1982695), (10, 1586156), (11, 1441960), (13, 1220120), (20, 793078), (22, 720980), (26, 610060), (40, 396539), (44, 360490), (47, 337480), (52, 305030), (55, 288392), (59, 268840), (65, 244024), (88, 180245), (94, 168740), (104, 152515), (110, 144196), (118, 134420), (130, 122012), (143, 110920), (188, 84370), (220, 72098), (235, 67496), (236, 67210), (260, 61006), (286, 55460), (295, 53768), (376, 42185), (440, 36049), (470, 33748), (472, 33605), (517, 30680), (520, 30503), (572, 27730), (590, 26884), (611, 25960), (649, 24440), (715, 22184), (767, 20680), (940, 16874), (1034, 15340), (1144, 13865), (1180, 13442), (1222, 12980), (1298, 12220), (1430, 11092), (1534, 10340), (1880, 8437), (2068, 7670), (2360, 6721), (2444, 6490), (2585, 6136), (2596, 6110), (2773, 5720), (2860, 5546), (3055, 5192), (3068, 5170), (3245, 4888), (3835, 4136)]