521389680

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{503}}^1\times {\mathrm{617}}^1$

素因数の和:1143

約数の個数: 160

約数和(自身を含む): 1853881344

約数和(自身を除く): 1332491664

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 503, 560, 617, 840, 1006, 1234, 1509, 1680, 1851, 2012, 2468, 2515, 3018, 3085, 3521, 3702, 4024, 4319, 4936, 5030, 6036, 6170, 7042, 7404, 7545, 8048, 8638, 9255, 9872, 10060, 10563, 12072, 12340, 12957, 14084, 14808, 15090, 17276, 17605, 18510, 20120, 21126, 21595, 24144, 24680, 25914, 28168, 29616, 30180, 34552, 35210, 37020, 40240, 42252, 43190, 49360, 51828, 52815, 56336, 60360, 64785, 69104, 70420, 74040, 84504, 86380, 103656, 105630, 120720, 129570, 140840, 148080, 169008, 172760, 207312, 211260, 259140, 281680, 310351, 345520, 422520, 518280, 620702, 845040, 931053, 1036560, 1241404, 1551755, 1862106, 2172457, 2482808, 3103510, 3724212, 4344914, 4655265, 4965616, 6207020, 6517371, 7448424, 8689828, 9310530, 10862285, 12414040, 13034742, 14896848, 17379656, 18621060, 21724570, 24828080, 26069484, 32586855, 34759312, 37242120, 43449140, 52138968, 65173710, 74484240, 86898280, 104277936, 130347420, 173796560, 260694840, 521389680]

約数ペア:

[(1, 521389680), (2, 260694840), (3, 173796560), (4, 130347420), (5, 104277936), (6, 86898280), (7, 74484240), (8, 65173710), (10, 52138968), (12, 43449140), (14, 37242120), (15, 34759312), (16, 32586855), (20, 26069484), (21, 24828080), (24, 21724570), (28, 18621060), (30, 17379656), (35, 14896848), (40, 13034742), (42, 12414040), (48, 10862285), (56, 9310530), (60, 8689828), (70, 7448424), (80, 6517371), (84, 6207020), (105, 4965616), (112, 4655265), (120, 4344914), (140, 3724212), (168, 3103510), (210, 2482808), (240, 2172457), (280, 1862106), (336, 1551755), (420, 1241404), (503, 1036560), (560, 931053), (617, 845040), (840, 620702), (1006, 518280), (1234, 422520), (1509, 345520), (1680, 310351), (1851, 281680), (2012, 259140), (2468, 211260), (2515, 207312), (3018, 172760), (3085, 169008), (3521, 148080), (3702, 140840), (4024, 129570), (4319, 120720), (4936, 105630), (5030, 103656), (6036, 86380), (6170, 84504), (7042, 74040), (7404, 70420), (7545, 69104), (8048, 64785), (8638, 60360), (9255, 56336), (9872, 52815), (10060, 51828), (10563, 49360), (12072, 43190), (12340, 42252), (12957, 40240), (14084, 37020), (14808, 35210), (15090, 34552), (17276, 30180), (17605, 29616), (18510, 28168), (20120, 25914), (21126, 24680), (21595, 24144)]