721870020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{359}}^1\times {\mathrm{11171}}^1$

素因数の和:11545

約数の個数: 72

約数和(自身を含む): 2195968320

約数和(自身を除く): 1474098300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 359, 718, 1077, 1436, 1795, 2154, 3231, 3590, 4308, 5385, 6462, 7180, 10770, 11171, 12924, 16155, 21540, 22342, 32310, 33513, 44684, 55855, 64620, 67026, 100539, 111710, 134052, 167565, 201078, 223420, 335130, 402156, 502695, 670260, 1005390, 2010780, 4010389, 8020778, 12031167, 16041556, 20051945, 24062334, 36093501, 40103890, 48124668, 60155835, 72187002, 80207780, 120311670, 144374004, 180467505, 240623340, 360935010, 721870020]

約数ペア:

[(1, 721870020), (2, 360935010), (3, 240623340), (4, 180467505), (5, 144374004), (6, 120311670), (9, 80207780), (10, 72187002), (12, 60155835), (15, 48124668), (18, 40103890), (20, 36093501), (30, 24062334), (36, 20051945), (45, 16041556), (60, 12031167), (90, 8020778), (180, 4010389), (359, 2010780), (718, 1005390), (1077, 670260), (1436, 502695), (1795, 402156), (2154, 335130), (3231, 223420), (3590, 201078), (4308, 167565), (5385, 134052), (6462, 111710), (7180, 100539), (10770, 67026), (11171, 64620), (12924, 55855), (16155, 44684), (21540, 33513), (22342, 32310)]