51225720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4691}}^1$

素因数の和:4725

約数の個数: 128

約数和(自身を含む): 189181440

約数和(自身を除く): 137955720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 728, 780, 840, 910, 1092, 1365, 1560, 1820, 2184, 2730, 3640, 4691, 5460, 9382, 10920, 14073, 18764, 23455, 28146, 32837, 37528, 46910, 56292, 60983, 65674, 70365, 93820, 98511, 112584, 121966, 131348, 140730, 164185, 182949, 187640, 197022, 243932, 262696, 281460, 304915, 328370, 365898, 394044, 426881, 487864, 492555, 562920, 609830, 656740, 731796, 788088, 853762, 914745, 985110, 1219660, 1280643, 1313480, 1463592, 1707524, 1829490, 1970220, 2134405, 2439320, 2561286, 3415048, 3658980, 3940440, 4268810, 5122572, 6403215, 7317960, 8537620, 10245144, 12806430, 17075240, 25612860, 51225720]

約数ペア:

[(1, 51225720), (2, 25612860), (3, 17075240), (4, 12806430), (5, 10245144), (6, 8537620), (7, 7317960), (8, 6403215), (10, 5122572), (12, 4268810), (13, 3940440), (14, 3658980), (15, 3415048), (20, 2561286), (21, 2439320), (24, 2134405), (26, 1970220), (28, 1829490), (30, 1707524), (35, 1463592), (39, 1313480), (40, 1280643), (42, 1219660), (52, 985110), (56, 914745), (60, 853762), (65, 788088), (70, 731796), (78, 656740), (84, 609830), (91, 562920), (104, 492555), (105, 487864), (120, 426881), (130, 394044), (140, 365898), (156, 328370), (168, 304915), (182, 281460), (195, 262696), (210, 243932), (260, 197022), (273, 187640), (280, 182949), (312, 164185), (364, 140730), (390, 131348), (420, 121966), (455, 112584), (520, 98511), (546, 93820), (728, 70365), (780, 65674), (840, 60983), (910, 56292), (1092, 46910), (1365, 37528), (1560, 32837), (1820, 28146), (2184, 23455), (2730, 18764), (3640, 14073), (4691, 10920), (5460, 9382)]