396581640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1579}}^1$

素因数の和:1636

約数の個数: 256

約数和(自身を含む): 1528934400

約数和(自身を除く): 1132352760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 23, 24, 26, 28, 30, 35, 39, 40, 42, 46, 52, 56, 60, 65, 69, 70, 78, 84, 91, 92, 104, 105, 115, 120, 130, 138, 140, 156, 161, 168, 182, 184, 195, 210, 230, 260, 273, 276, 280, 299, 312, 322, 345, 364, 390, 420, 455, 460, 483, 520, 546, 552, 598, 644, 690, 728, 780, 805, 840, 897, 910, 920, 966, 1092, 1196, 1288, 1365, 1380, 1495, 1560, 1579, 1610, 1794, 1820, 1932, 2093, 2184, 2392, 2415, 2730, 2760, 2990, 3158, 3220, 3588, 3640, 3864, 4186, 4485, 4737, 4830, 5460, 5980, 6279, 6316, 6440, 7176, 7895, 8372, 8970, 9474, 9660, 10465, 10920, 11053, 11960, 12558, 12632, 15790, 16744, 17940, 18948, 19320, 20527, 20930, 22106, 23685, 25116, 31395, 31580, 33159, 35880, 36317, 37896, 41054, 41860, 44212, 47370, 50232, 55265, 61581, 62790, 63160, 66318, 72634, 82108, 83720, 88424, 94740, 102635, 108951, 110530, 123162, 125580, 132636, 143689, 145268, 164216, 165795, 181585, 189480, 205270, 217902, 221060, 246324, 251160, 254219, 265272, 287378, 290536, 307905, 331590, 363170, 410540, 431067, 435804, 442120, 472121, 492648, 508438, 544755, 574756, 615810, 663180, 718445, 726340, 762657, 821080, 862134, 871608, 944242, 1016876, 1089510, 1149512, 1231620, 1271095, 1326360, 1416363, 1436890, 1452680, 1525314, 1724268, 1888484, 2033752, 2155335, 2179020, 2360605, 2463240, 2542190, 2832726, 2873780, 3050628, 3304847, 3448536, 3776968, 3813285, 4310670, 4358040, 4721210, 5084380, 5665452, 5747560, 6101256, 6609694, 7081815, 7626570, 8621340, 9442420, 9914541, 10168760, 11330904, 13219388, 14163630, 15253140, 16524235, 17242680, 18884840, 19829082, 26438776, 28327260, 30506280, 33048470, 39658164, 49572705, 56654520, 66096940, 79316328, 99145410, 132193880, 198290820, 396581640]

約数ペア:

[(1, 396581640), (2, 198290820), (3, 132193880), (4, 99145410), (5, 79316328), (6, 66096940), (7, 56654520), (8, 49572705), (10, 39658164), (12, 33048470), (13, 30506280), (14, 28327260), (15, 26438776), (20, 19829082), (21, 18884840), (23, 17242680), (24, 16524235), (26, 15253140), (28, 14163630), (30, 13219388), (35, 11330904), (39, 10168760), (40, 9914541), (42, 9442420), (46, 8621340), (52, 7626570), (56, 7081815), (60, 6609694), (65, 6101256), (69, 5747560), (70, 5665452), (78, 5084380), (84, 4721210), (91, 4358040), (92, 4310670), (104, 3813285), (105, 3776968), (115, 3448536), (120, 3304847), (130, 3050628), (138, 2873780), (140, 2832726), (156, 2542190), (161, 2463240), (168, 2360605), (182, 2179020), (184, 2155335), (195, 2033752), (210, 1888484), (230, 1724268), (260, 1525314), (273, 1452680), (276, 1436890), (280, 1416363), (299, 1326360), (312, 1271095), (322, 1231620), (345, 1149512), (364, 1089510), (390, 1016876), (420, 944242), (455, 871608), (460, 862134), (483, 821080), (520, 762657), (546, 726340), (552, 718445), (598, 663180), (644, 615810), (690, 574756), (728, 544755), (780, 508438), (805, 492648), (840, 472121), (897, 442120), (910, 435804), (920, 431067), (966, 410540), (1092, 363170), (1196, 331590), (1288, 307905), (1365, 290536), (1380, 287378), (1495, 265272), (1560, 254219), (1579, 251160), (1610, 246324), (1794, 221060), (1820, 217902), (1932, 205270), (2093, 189480), (2184, 181585), (2392, 165795), (2415, 164216), (2730, 145268), (2760, 143689), (2990, 132636), (3158, 125580), (3220, 123162), (3588, 110530), (3640, 108951), (3864, 102635), (4186, 94740), (4485, 88424), (4737, 83720), (4830, 82108), (5460, 72634), (5980, 66318), (6279, 63160), (6316, 62790), (6440, 61581), (7176, 55265), (7895, 50232), (8372, 47370), (8970, 44212), (9474, 41860), (9660, 41054), (10465, 37896), (10920, 36317), (11053, 35880), (11960, 33159), (12558, 31580), (12632, 31395), (15790, 25116), (16744, 23685), (17940, 22106), (18948, 20930), (19320, 20527)]