664156620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{33851}}^1$

素因数の和:33975

約数の個数: 72

約数和(自身を含む): 2033151120

約数和(自身を除く): 1368994500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 109, 180, 218, 327, 436, 545, 654, 981, 1090, 1308, 1635, 1962, 2180, 3270, 3924, 4905, 6540, 9810, 19620, 33851, 67702, 101553, 135404, 169255, 203106, 304659, 338510, 406212, 507765, 609318, 677020, 1015530, 1218636, 1523295, 2031060, 3046590, 3689759, 6093180, 7379518, 11069277, 14759036, 18448795, 22138554, 33207831, 36897590, 44277108, 55346385, 66415662, 73795180, 110692770, 132831324, 166039155, 221385540, 332078310, 664156620]

約数ペア:

[(1, 664156620), (2, 332078310), (3, 221385540), (4, 166039155), (5, 132831324), (6, 110692770), (9, 73795180), (10, 66415662), (12, 55346385), (15, 44277108), (18, 36897590), (20, 33207831), (30, 22138554), (36, 18448795), (45, 14759036), (60, 11069277), (90, 7379518), (109, 6093180), (180, 3689759), (218, 3046590), (327, 2031060), (436, 1523295), (545, 1218636), (654, 1015530), (981, 677020), (1090, 609318), (1308, 507765), (1635, 406212), (1962, 338510), (2180, 304659), (3270, 203106), (3924, 169255), (4905, 135404), (6540, 101553), (9810, 67702), (19620, 33851)]