165643740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{21401}}^1$

素因数の和:21459

約数の個数: 72

約数和(自身を含む): 514161648

約数和(自身を除く): 348517908

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 258, 387, 430, 516, 645, 774, 860, 1290, 1548, 1935, 2580, 3870, 7740, 21401, 42802, 64203, 85604, 107005, 128406, 192609, 214010, 256812, 321015, 385218, 428020, 642030, 770436, 920243, 963045, 1284060, 1840486, 1926090, 2760729, 3680972, 3852180, 4601215, 5521458, 8282187, 9202430, 11042916, 13803645, 16564374, 18404860, 27607290, 33128748, 41410935, 55214580, 82821870, 165643740]

約数ペア:

[(1, 165643740), (2, 82821870), (3, 55214580), (4, 41410935), (5, 33128748), (6, 27607290), (9, 18404860), (10, 16564374), (12, 13803645), (15, 11042916), (18, 9202430), (20, 8282187), (30, 5521458), (36, 4601215), (43, 3852180), (45, 3680972), (60, 2760729), (86, 1926090), (90, 1840486), (129, 1284060), (172, 963045), (180, 920243), (215, 770436), (258, 642030), (387, 428020), (430, 385218), (516, 321015), (645, 256812), (774, 214010), (860, 192609), (1290, 128406), (1548, 107005), (1935, 85604), (2580, 64203), (3870, 42802), (7740, 21401)]