145208280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{172867}}^1$

素因数の和:172888

約数の個数: 64

約数和(自身を含む): 497859840

約数和(自身を除く): 352651560

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, 172867, 345734, 518601, 691468, 864335, 1037202, 1210069, 1382936, 1728670, 2074404, 2420138, 2593005, 3457340, 3630207, 4148808, 4840276, 5186010, 6050345, 6914680, 7260414, 9680552, 10372020, 12100690, 14520828, 18151035, 20744040, 24201380, 29041656, 36302070, 48402760, 72604140, 145208280]

約数ペア:

[(1, 145208280), (2, 72604140), (3, 48402760), (4, 36302070), (5, 29041656), (6, 24201380), (7, 20744040), (8, 18151035), (10, 14520828), (12, 12100690), (14, 10372020), (15, 9680552), (20, 7260414), (21, 6914680), (24, 6050345), (28, 5186010), (30, 4840276), (35, 4148808), (40, 3630207), (42, 3457340), (56, 2593005), (60, 2420138), (70, 2074404), (84, 1728670), (105, 1382936), (120, 1210069), (140, 1037202), (168, 864335), (210, 691468), (280, 518601), (420, 345734), (840, 172867)]