318181920

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{337}}^1$

素因数の和:643

約数の個数: 192

約数和(自身を含む): 1152942336

約数和(自身を除く): 834760416

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 280, 281, 336, 337, 420, 480, 560, 562, 672, 674, 840, 843, 1011, 1120, 1124, 1348, 1405, 1680, 1685, 1686, 1967, 2022, 2248, 2359, 2696, 2810, 3360, 3370, 3372, 3934, 4044, 4215, 4496, 4718, 5055, 5392, 5620, 5901, 6740, 6744, 7077, 7868, 8088, 8430, 8992, 9436, 9835, 10110, 10784, 11240, 11795, 11802, 13480, 13488, 14154, 15736, 16176, 16860, 18872, 19670, 20220, 22480, 23590, 23604, 26960, 26976, 28308, 29505, 31472, 32352, 33720, 35385, 37744, 39340, 40440, 44960, 47180, 47208, 53920, 56616, 59010, 62944, 67440, 70770, 75488, 78680, 80880, 94360, 94416, 94697, 113232, 118020, 134880, 141540, 157360, 161760, 188720, 188832, 189394, 226464, 236040, 283080, 284091, 314720, 377440, 378788, 472080, 473485, 566160, 568182, 662879, 757576, 944160, 946970, 1132320, 1136364, 1325758, 1420455, 1515152, 1893940, 1988637, 2272728, 2651516, 2840910, 3030304, 3314395, 3787880, 3977274, 4545456, 5303032, 5681820, 6628790, 7575760, 7954548, 9090912, 9943185, 10606064, 11363640, 13257580, 15151520, 15909096, 19886370, 21212128, 22727280, 26515160, 31818192, 39772740, 45454560, 53030320, 63636384, 79545480, 106060640, 159090960, 318181920]

約数ペア:

[(1, 318181920), (2, 159090960), (3, 106060640), (4, 79545480), (5, 63636384), (6, 53030320), (7, 45454560), (8, 39772740), (10, 31818192), (12, 26515160), (14, 22727280), (15, 21212128), (16, 19886370), (20, 15909096), (21, 15151520), (24, 13257580), (28, 11363640), (30, 10606064), (32, 9943185), (35, 9090912), (40, 7954548), (42, 7575760), (48, 6628790), (56, 5681820), (60, 5303032), (70, 4545456), (80, 3977274), (84, 3787880), (96, 3314395), (105, 3030304), (112, 2840910), (120, 2651516), (140, 2272728), (160, 1988637), (168, 1893940), (210, 1515152), (224, 1420455), (240, 1325758), (280, 1136364), (281, 1132320), (336, 946970), (337, 944160), (420, 757576), (480, 662879), (560, 568182), (562, 566160), (672, 473485), (674, 472080), (840, 378788), (843, 377440), (1011, 314720), (1120, 284091), (1124, 283080), (1348, 236040), (1405, 226464), (1680, 189394), (1685, 188832), (1686, 188720), (1967, 161760), (2022, 157360), (2248, 141540), (2359, 134880), (2696, 118020), (2810, 113232), (3360, 94697), (3370, 94416), (3372, 94360), (3934, 80880), (4044, 78680), (4215, 75488), (4496, 70770), (4718, 67440), (5055, 62944), (5392, 59010), (5620, 56616), (5901, 53920), (6740, 47208), (6744, 47180), (7077, 44960), (7868, 40440), (8088, 39340), (8430, 37744), (8992, 35385), (9436, 33720), (9835, 32352), (10110, 31472), (10784, 29505), (11240, 28308), (11795, 26976), (11802, 26960), (13480, 23604), (13488, 23590), (14154, 22480), (15736, 20220), (16176, 19670), (16860, 18872)]