31677360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{71}}^1$

素因数の和:124

約数の個数: 240

約数和(自身を含む): 117635328

約数和(自身を除く): 85957968

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 16, 20, 22, 24, 26, 30, 33, 39, 40, 44, 48, 52, 55, 60, 65, 66, 71, 78, 80, 88, 104, 110, 120, 130, 132, 142, 143, 156, 165, 169, 176, 195, 208, 213, 220, 240, 260, 264, 284, 286, 312, 330, 338, 355, 390, 426, 429, 440, 507, 520, 528, 568, 572, 624, 660, 676, 710, 715, 780, 781, 845, 852, 858, 880, 923, 1014, 1040, 1065, 1136, 1144, 1320, 1352, 1420, 1430, 1560, 1562, 1690, 1704, 1716, 1846, 1859, 2028, 2130, 2145, 2288, 2343, 2535, 2640, 2704, 2769, 2840, 2860, 3120, 3124, 3380, 3408, 3432, 3692, 3718, 3905, 4056, 4260, 4290, 4615, 4686, 5070, 5538, 5577, 5680, 5720, 6248, 6760, 6864, 7384, 7436, 7810, 8112, 8520, 8580, 9230, 9295, 9372, 10140, 10153, 11076, 11154, 11440, 11715, 11999, 12496, 13520, 13845, 14768, 14872, 15620, 17040, 17160, 18460, 18590, 18744, 20280, 20306, 22152, 22308, 23430, 23998, 27690, 27885, 29744, 30459, 31240, 34320, 35997, 36920, 37180, 37488, 40560, 40612, 44304, 44616, 46860, 47996, 50765, 55380, 55770, 59995, 60918, 62480, 71994, 73840, 74360, 81224, 89232, 93720, 95992, 101530, 110760, 111540, 119990, 121836, 131989, 143988, 148720, 152295, 162448, 179985, 187440, 191984, 203060, 221520, 223080, 239980, 243672, 263978, 287976, 304590, 359970, 395967, 406120, 446160, 479960, 487344, 527956, 575952, 609180, 659945, 719940, 791934, 812240, 959920, 1055912, 1218360, 1319890, 1439880, 1583868, 1979835, 2111824, 2436720, 2639780, 2879760, 3167736, 3959670, 5279560, 6335472, 7919340, 10559120, 15838680, 31677360]

約数ペア:

[(1, 31677360), (2, 15838680), (3, 10559120), (4, 7919340), (5, 6335472), (6, 5279560), (8, 3959670), (10, 3167736), (11, 2879760), (12, 2639780), (13, 2436720), (15, 2111824), (16, 1979835), (20, 1583868), (22, 1439880), (24, 1319890), (26, 1218360), (30, 1055912), (33, 959920), (39, 812240), (40, 791934), (44, 719940), (48, 659945), (52, 609180), (55, 575952), (60, 527956), (65, 487344), (66, 479960), (71, 446160), (78, 406120), (80, 395967), (88, 359970), (104, 304590), (110, 287976), (120, 263978), (130, 243672), (132, 239980), (142, 223080), (143, 221520), (156, 203060), (165, 191984), (169, 187440), (176, 179985), (195, 162448), (208, 152295), (213, 148720), (220, 143988), (240, 131989), (260, 121836), (264, 119990), (284, 111540), (286, 110760), (312, 101530), (330, 95992), (338, 93720), (355, 89232), (390, 81224), (426, 74360), (429, 73840), (440, 71994), (507, 62480), (520, 60918), (528, 59995), (568, 55770), (572, 55380), (624, 50765), (660, 47996), (676, 46860), (710, 44616), (715, 44304), (780, 40612), (781, 40560), (845, 37488), (852, 37180), (858, 36920), (880, 35997), (923, 34320), (1014, 31240), (1040, 30459), (1065, 29744), (1136, 27885), (1144, 27690), (1320, 23998), (1352, 23430), (1420, 22308), (1430, 22152), (1560, 20306), (1562, 20280), (1690, 18744), (1704, 18590), (1716, 18460), (1846, 17160), (1859, 17040), (2028, 15620), (2130, 14872), (2145, 14768), (2288, 13845), (2343, 13520), (2535, 12496), (2640, 11999), (2704, 11715), (2769, 11440), (2840, 11154), (2860, 11076), (3120, 10153), (3124, 10140), (3380, 9372), (3408, 9295), (3432, 9230), (3692, 8580), (3718, 8520), (3905, 8112), (4056, 7810), (4260, 7436), (4290, 7384), (4615, 6864), (4686, 6760), (5070, 6248), (5538, 5720), (5577, 5680)]