64216980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{356761}}^1$

素因数の和:356776

約数の個数: 36

約数和(自身を含む): 194792052

約数和(自身を除く): 130575072

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 356761, 713522, 1070283, 1427044, 1783805, 2140566, 3210849, 3567610, 4281132, 5351415, 6421698, 7135220, 10702830, 12843396, 16054245, 21405660, 32108490, 64216980]

約数ペア:

[(1, 64216980), (2, 32108490), (3, 21405660), (4, 16054245), (5, 12843396), (6, 10702830), (9, 7135220), (10, 6421698), (12, 5351415), (15, 4281132), (18, 3567610), (20, 3210849), (30, 2140566), (36, 1783805), (45, 1427044), (60, 1070283), (90, 713522), (180, 356761)]