255799320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{304523}}^1$

素因数の和:304544

約数の個数: 64

約数和(自身を含む): 877029120

約数和(自身を除く): 621229800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 304523, 609046, 913569, 1218092, 1522615, 1827138, 2131661, 2436184, 3045230, 3654276, 4263322, 4567845, 6090460, 6394983, 7308552, 8526644, 9135690, 10658305, 12180920, 12789966, 17053288, 18271380, 21316610, 25579932, 31974915, 36542760, 42633220, 51159864, 63949830, 85266440, 127899660, 255799320]

約数ペア:

[(1, 255799320), (2, 127899660), (3, 85266440), (4, 63949830), (5, 51159864), (6, 42633220), (7, 36542760), (8, 31974915), (10, 25579932), (12, 21316610), (14, 18271380), (15, 17053288), (20, 12789966), (21, 12180920), (24, 10658305), (28, 9135690), (30, 8526644), (35, 7308552), (40, 6394983), (42, 6090460), (56, 4567845), (60, 4263322), (70, 3654276), (84, 3045230), (105, 2436184), (120, 2131661), (140, 1827138), (168, 1522615), (210, 1218092), (280, 913569), (420, 609046), (840, 304523)]