18691320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1429}}^1$

素因数の和:1552

約数の個数: 64

約数和(自身を含む): 56628000

約数和(自身を除く): 37936680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 109, 120, 218, 327, 436, 545, 654, 872, 1090, 1308, 1429, 1635, 2180, 2616, 2858, 3270, 4287, 4360, 5716, 6540, 7145, 8574, 11432, 13080, 14290, 17148, 21435, 28580, 34296, 42870, 57160, 85740, 155761, 171480, 311522, 467283, 623044, 778805, 934566, 1246088, 1557610, 1869132, 2336415, 3115220, 3738264, 4672830, 6230440, 9345660, 18691320]

約数ペア:

[(1, 18691320), (2, 9345660), (3, 6230440), (4, 4672830), (5, 3738264), (6, 3115220), (8, 2336415), (10, 1869132), (12, 1557610), (15, 1246088), (20, 934566), (24, 778805), (30, 623044), (40, 467283), (60, 311522), (109, 171480), (120, 155761), (218, 85740), (327, 57160), (436, 42870), (545, 34296), (654, 28580), (872, 21435), (1090, 17148), (1308, 14290), (1429, 13080), (1635, 11432), (2180, 8574), (2616, 7145), (2858, 6540), (3270, 5716), (4287, 4360)]