90678420

素因数分解:

$2^2\times 3^3\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{149}}^1$

素因数の和:204

約数の個数: 288

約数和(自身を含む): 344736000

約数和(自身を除く): 254057580

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 23, 27, 28, 30, 35, 36, 42, 45, 46, 49, 54, 60, 63, 69, 70, 84, 90, 92, 98, 105, 108, 115, 126, 135, 138, 140, 147, 149, 161, 180, 189, 196, 207, 210, 230, 245, 252, 270, 276, 294, 298, 315, 322, 345, 378, 414, 420, 441, 447, 460, 483, 490, 540, 588, 596, 621, 630, 644, 690, 735, 745, 756, 805, 828, 882, 894, 945, 966, 980, 1035, 1043, 1127, 1242, 1260, 1323, 1341, 1380, 1449, 1470, 1490, 1610, 1764, 1788, 1890, 1932, 2070, 2086, 2205, 2235, 2254, 2415, 2484, 2646, 2682, 2898, 2940, 2980, 3105, 3129, 3220, 3381, 3427, 3780, 4023, 4140, 4172, 4347, 4410, 4470, 4508, 4830, 5215, 5292, 5364, 5635, 5796, 6210, 6258, 6615, 6705, 6762, 6854, 7245, 7301, 8046, 8694, 8820, 8940, 9387, 9660, 10143, 10281, 10430, 11270, 12420, 12516, 13230, 13410, 13524, 13708, 14490, 14602, 15645, 16092, 16905, 17135, 17388, 18774, 20115, 20286, 20562, 20860, 21735, 21903, 22540, 23989, 26460, 26820, 28161, 28980, 29204, 30429, 30843, 31290, 33810, 34270, 36505, 37548, 40230, 40572, 41124, 43470, 43806, 46935, 47978, 50715, 51405, 56322, 60858, 61686, 62580, 65709, 67620, 68540, 71967, 73010, 80460, 86940, 87612, 92529, 93870, 95956, 101430, 102810, 109515, 112644, 119945, 121716, 123372, 131418, 140805, 143934, 146020, 152145, 154215, 167923, 185058, 187740, 197127, 202860, 205620, 215901, 219030, 239890, 262836, 281610, 287868, 304290, 308430, 328545, 335846, 359835, 370116, 394254, 431802, 438060, 462645, 479780, 503769, 563220, 608580, 616860, 647703, 657090, 671692, 719670, 788508, 839615, 863604, 925290, 985635, 1007538, 1079505, 1295406, 1314180, 1439340, 1511307, 1679230, 1850580, 1971270, 2015076, 2159010, 2518845, 2590812, 3022614, 3238515, 3358460, 3942540, 4318020, 4533921, 5037690, 6045228, 6477030, 7556535, 9067842, 10075380, 12954060, 15113070, 18135684, 22669605, 30226140, 45339210, 90678420]

約数ペア:

[(1, 90678420), (2, 45339210), (3, 30226140), (4, 22669605), (5, 18135684), (6, 15113070), (7, 12954060), (9, 10075380), (10, 9067842), (12, 7556535), (14, 6477030), (15, 6045228), (18, 5037690), (20, 4533921), (21, 4318020), (23, 3942540), (27, 3358460), (28, 3238515), (30, 3022614), (35, 2590812), (36, 2518845), (42, 2159010), (45, 2015076), (46, 1971270), (49, 1850580), (54, 1679230), (60, 1511307), (63, 1439340), (69, 1314180), (70, 1295406), (84, 1079505), (90, 1007538), (92, 985635), (98, 925290), (105, 863604), (108, 839615), (115, 788508), (126, 719670), (135, 671692), (138, 657090), (140, 647703), (147, 616860), (149, 608580), (161, 563220), (180, 503769), (189, 479780), (196, 462645), (207, 438060), (210, 431802), (230, 394254), (245, 370116), (252, 359835), (270, 335846), (276, 328545), (294, 308430), (298, 304290), (315, 287868), (322, 281610), (345, 262836), (378, 239890), (414, 219030), (420, 215901), (441, 205620), (447, 202860), (460, 197127), (483, 187740), (490, 185058), (540, 167923), (588, 154215), (596, 152145), (621, 146020), (630, 143934), (644, 140805), (690, 131418), (735, 123372), (745, 121716), (756, 119945), (805, 112644), (828, 109515), (882, 102810), (894, 101430), (945, 95956), (966, 93870), (980, 92529), (1035, 87612), (1043, 86940), (1127, 80460), (1242, 73010), (1260, 71967), (1323, 68540), (1341, 67620), (1380, 65709), (1449, 62580), (1470, 61686), (1490, 60858), (1610, 56322), (1764, 51405), (1788, 50715), (1890, 47978), (1932, 46935), (2070, 43806), (2086, 43470), (2205, 41124), (2235, 40572), (2254, 40230), (2415, 37548), (2484, 36505), (2646, 34270), (2682, 33810), (2898, 31290), (2940, 30843), (2980, 30429), (3105, 29204), (3129, 28980), (3220, 28161), (3381, 26820), (3427, 26460), (3780, 23989), (4023, 22540), (4140, 21903), (4172, 21735), (4347, 20860), (4410, 20562), (4470, 20286), (4508, 20115), (4830, 18774), (5215, 17388), (5292, 17135), (5364, 16905), (5635, 16092), (5796, 15645), (6210, 14602), (6258, 14490), (6615, 13708), (6705, 13524), (6762, 13410), (6854, 13230), (7245, 12516), (7301, 12420), (8046, 11270), (8694, 10430), (8820, 10281), (8940, 10143), (9387, 9660)]