31126680

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{739}}^1$

素因数の和:775

約数の個数: 160

約数和(自身を含む): 112820400

約数和(自身を除く): 81693720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 52, 54, 60, 65, 72, 78, 81, 90, 104, 108, 117, 120, 130, 135, 156, 162, 180, 195, 216, 234, 260, 270, 312, 324, 351, 360, 390, 405, 468, 520, 540, 585, 648, 702, 739, 780, 810, 936, 1053, 1080, 1170, 1404, 1478, 1560, 1620, 1755, 2106, 2217, 2340, 2808, 2956, 3240, 3510, 3695, 4212, 4434, 4680, 5265, 5912, 6651, 7020, 7390, 8424, 8868, 9607, 10530, 11085, 13302, 14040, 14780, 17736, 19214, 19953, 21060, 22170, 26604, 28821, 29560, 33255, 38428, 39906, 42120, 44340, 48035, 53208, 57642, 59859, 66510, 76856, 79812, 86463, 88680, 96070, 99765, 115284, 119718, 133020, 144105, 159624, 172926, 192140, 199530, 230568, 239436, 259389, 266040, 288210, 299295, 345852, 384280, 399060, 432315, 478872, 518778, 576420, 598590, 691704, 778167, 798120, 864630, 1037556, 1152840, 1197180, 1296945, 1556334, 1729260, 2075112, 2394360, 2593890, 3112668, 3458520, 3890835, 5187780, 6225336, 7781670, 10375560, 15563340, 31126680]

約数ペア:

[(1, 31126680), (2, 15563340), (3, 10375560), (4, 7781670), (5, 6225336), (6, 5187780), (8, 3890835), (9, 3458520), (10, 3112668), (12, 2593890), (13, 2394360), (15, 2075112), (18, 1729260), (20, 1556334), (24, 1296945), (26, 1197180), (27, 1152840), (30, 1037556), (36, 864630), (39, 798120), (40, 778167), (45, 691704), (52, 598590), (54, 576420), (60, 518778), (65, 478872), (72, 432315), (78, 399060), (81, 384280), (90, 345852), (104, 299295), (108, 288210), (117, 266040), (120, 259389), (130, 239436), (135, 230568), (156, 199530), (162, 192140), (180, 172926), (195, 159624), (216, 144105), (234, 133020), (260, 119718), (270, 115284), (312, 99765), (324, 96070), (351, 88680), (360, 86463), (390, 79812), (405, 76856), (468, 66510), (520, 59859), (540, 57642), (585, 53208), (648, 48035), (702, 44340), (739, 42120), (780, 39906), (810, 38428), (936, 33255), (1053, 29560), (1080, 28821), (1170, 26604), (1404, 22170), (1478, 21060), (1560, 19953), (1620, 19214), (1755, 17736), (2106, 14780), (2217, 14040), (2340, 13302), (2808, 11085), (2956, 10530), (3240, 9607), (3510, 8868), (3695, 8424), (4212, 7390), (4434, 7020), (4680, 6651), (5265, 5912)]