18218760

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{41}}^1$

素因数の和:108

約数の個数: 192

約数和(自身を含む): 66890880

約数和(自身を除く): 48672120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 23, 24, 28, 30, 35, 40, 41, 42, 46, 56, 60, 69, 70, 82, 84, 92, 105, 115, 120, 123, 138, 140, 161, 164, 168, 184, 205, 210, 230, 246, 276, 280, 287, 322, 328, 345, 410, 420, 460, 483, 492, 529, 552, 574, 615, 644, 690, 805, 820, 840, 861, 920, 943, 966, 984, 1058, 1148, 1230, 1288, 1380, 1435, 1587, 1610, 1640, 1722, 1886, 1932, 2116, 2296, 2415, 2460, 2645, 2760, 2829, 2870, 3174, 3220, 3444, 3703, 3772, 3864, 4232, 4305, 4715, 4830, 4920, 5290, 5658, 5740, 6348, 6440, 6601, 6888, 7406, 7544, 7935, 8610, 9430, 9660, 10580, 11109, 11316, 11480, 12696, 13202, 14145, 14812, 15870, 17220, 18515, 18860, 19320, 19803, 21160, 21689, 22218, 22632, 26404, 28290, 29624, 31740, 33005, 34440, 37030, 37720, 39606, 43378, 44436, 52808, 55545, 56580, 63480, 65067, 66010, 74060, 79212, 86756, 88872, 99015, 108445, 111090, 113160, 130134, 132020, 148120, 151823, 158424, 173512, 198030, 216890, 222180, 260268, 264040, 303646, 325335, 396060, 433780, 444360, 455469, 520536, 607292, 650670, 759115, 792120, 867560, 910938, 1214584, 1301340, 1518230, 1821876, 2277345, 2602680, 3036460, 3643752, 4554690, 6072920, 9109380, 18218760]

約数ペア:

[(1, 18218760), (2, 9109380), (3, 6072920), (4, 4554690), (5, 3643752), (6, 3036460), (7, 2602680), (8, 2277345), (10, 1821876), (12, 1518230), (14, 1301340), (15, 1214584), (20, 910938), (21, 867560), (23, 792120), (24, 759115), (28, 650670), (30, 607292), (35, 520536), (40, 455469), (41, 444360), (42, 433780), (46, 396060), (56, 325335), (60, 303646), (69, 264040), (70, 260268), (82, 222180), (84, 216890), (92, 198030), (105, 173512), (115, 158424), (120, 151823), (123, 148120), (138, 132020), (140, 130134), (161, 113160), (164, 111090), (168, 108445), (184, 99015), (205, 88872), (210, 86756), (230, 79212), (246, 74060), (276, 66010), (280, 65067), (287, 63480), (322, 56580), (328, 55545), (345, 52808), (410, 44436), (420, 43378), (460, 39606), (483, 37720), (492, 37030), (529, 34440), (552, 33005), (574, 31740), (615, 29624), (644, 28290), (690, 26404), (805, 22632), (820, 22218), (840, 21689), (861, 21160), (920, 19803), (943, 19320), (966, 18860), (984, 18515), (1058, 17220), (1148, 15870), (1230, 14812), (1288, 14145), (1380, 13202), (1435, 12696), (1587, 11480), (1610, 11316), (1640, 11109), (1722, 10580), (1886, 9660), (1932, 9430), (2116, 8610), (2296, 7935), (2415, 7544), (2460, 7406), (2645, 6888), (2760, 6601), (2829, 6440), (2870, 6348), (3174, 5740), (3220, 5658), (3444, 5290), (3703, 4920), (3772, 4830), (3864, 4715), (4232, 4305)]