90841680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{449}}^1$

素因数の和:749

約数の個数: 120

約数和(自身を含む): 306844200

約数和(自身を除く): 216002520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 281, 360, 449, 562, 720, 843, 898, 1124, 1347, 1405, 1686, 1796, 2245, 2248, 2529, 2694, 2810, 3372, 3592, 4041, 4215, 4490, 4496, 5058, 5388, 5620, 6735, 6744, 7184, 8082, 8430, 8980, 10116, 10776, 11240, 12645, 13470, 13488, 16164, 16860, 17960, 20205, 20232, 21552, 22480, 25290, 26940, 32328, 33720, 35920, 40410, 40464, 50580, 53880, 64656, 67440, 80820, 101160, 107760, 126169, 161640, 202320, 252338, 323280, 378507, 504676, 630845, 757014, 1009352, 1135521, 1261690, 1514028, 1892535, 2018704, 2271042, 2523380, 3028056, 3785070, 4542084, 5046760, 5677605, 6056112, 7570140, 9084168, 10093520, 11355210, 15140280, 18168336, 22710420, 30280560, 45420840, 90841680]

約数ペア:

[(1, 90841680), (2, 45420840), (3, 30280560), (4, 22710420), (5, 18168336), (6, 15140280), (8, 11355210), (9, 10093520), (10, 9084168), (12, 7570140), (15, 6056112), (16, 5677605), (18, 5046760), (20, 4542084), (24, 3785070), (30, 3028056), (36, 2523380), (40, 2271042), (45, 2018704), (48, 1892535), (60, 1514028), (72, 1261690), (80, 1135521), (90, 1009352), (120, 757014), (144, 630845), (180, 504676), (240, 378507), (281, 323280), (360, 252338), (449, 202320), (562, 161640), (720, 126169), (843, 107760), (898, 101160), (1124, 80820), (1347, 67440), (1405, 64656), (1686, 53880), (1796, 50580), (2245, 40464), (2248, 40410), (2529, 35920), (2694, 33720), (2810, 32328), (3372, 26940), (3592, 25290), (4041, 22480), (4215, 21552), (4490, 20232), (4496, 20205), (5058, 17960), (5388, 16860), (5620, 16164), (6735, 13488), (6744, 13470), (7184, 12645), (8082, 11240), (8430, 10776), (8980, 10116)]