215313720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{563}}^1\times {\mathrm{3187}}^1$

素因数の和:3764

約数の個数: 64

約数和(自身を含む): 647291520

約数和(自身を除く): 431977800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 563, 1126, 1689, 2252, 2815, 3187, 3378, 4504, 5630, 6374, 6756, 8445, 9561, 11260, 12748, 13512, 15935, 16890, 19122, 22520, 25496, 31870, 33780, 38244, 47805, 63740, 67560, 76488, 95610, 127480, 191220, 382440, 1794281, 3588562, 5382843, 7177124, 8971405, 10765686, 14354248, 17942810, 21531372, 26914215, 35885620, 43062744, 53828430, 71771240, 107656860, 215313720]

約数ペア:

[(1, 215313720), (2, 107656860), (3, 71771240), (4, 53828430), (5, 43062744), (6, 35885620), (8, 26914215), (10, 21531372), (12, 17942810), (15, 14354248), (20, 10765686), (24, 8971405), (30, 7177124), (40, 5382843), (60, 3588562), (120, 1794281), (563, 382440), (1126, 191220), (1689, 127480), (2252, 95610), (2815, 76488), (3187, 67560), (3378, 63740), (4504, 47805), (5630, 38244), (6374, 33780), (6756, 31870), (8445, 25496), (9561, 22520), (11260, 19122), (12748, 16890), (13512, 15935)]