640792920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{743}}^1\times {\mathrm{7187}}^1$

素因数の和:7944

約数の個数: 64

約数和(自身を含む): 1925233920

約数和(自身を除く): 1284441000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 743, 1486, 2229, 2972, 3715, 4458, 5944, 7187, 7430, 8916, 11145, 14374, 14860, 17832, 21561, 22290, 28748, 29720, 35935, 43122, 44580, 57496, 71870, 86244, 89160, 107805, 143740, 172488, 215610, 287480, 431220, 862440, 5339941, 10679882, 16019823, 21359764, 26699705, 32039646, 42719528, 53399410, 64079292, 80099115, 106798820, 128158584, 160198230, 213597640, 320396460, 640792920]

約数ペア:

[(1, 640792920), (2, 320396460), (3, 213597640), (4, 160198230), (5, 128158584), (6, 106798820), (8, 80099115), (10, 64079292), (12, 53399410), (15, 42719528), (20, 32039646), (24, 26699705), (30, 21359764), (40, 16019823), (60, 10679882), (120, 5339941), (743, 862440), (1486, 431220), (2229, 287480), (2972, 215610), (3715, 172488), (4458, 143740), (5944, 107805), (7187, 89160), (7430, 86244), (8916, 71870), (11145, 57496), (14374, 44580), (14860, 43122), (17832, 35935), (21561, 29720), (22290, 28748)]