66445020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{419}}^1\times {\mathrm{881}}^1$

素因数の和:1315

約数の個数: 72

約数和(自身を含む): 202260240

約数和(自身を除く): 135815220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 419, 838, 881, 1257, 1676, 1762, 2095, 2514, 2643, 3524, 3771, 4190, 4405, 5028, 5286, 6285, 7542, 7929, 8380, 8810, 10572, 12570, 13215, 15084, 15858, 17620, 18855, 25140, 26430, 31716, 37710, 39645, 52860, 75420, 79290, 158580, 369139, 738278, 1107417, 1476556, 1845695, 2214834, 3322251, 3691390, 4429668, 5537085, 6644502, 7382780, 11074170, 13289004, 16611255, 22148340, 33222510, 66445020]

約数ペア:

[(1, 66445020), (2, 33222510), (3, 22148340), (4, 16611255), (5, 13289004), (6, 11074170), (9, 7382780), (10, 6644502), (12, 5537085), (15, 4429668), (18, 3691390), (20, 3322251), (30, 2214834), (36, 1845695), (45, 1476556), (60, 1107417), (90, 738278), (180, 369139), (419, 158580), (838, 79290), (881, 75420), (1257, 52860), (1676, 39645), (1762, 37710), (2095, 31716), (2514, 26430), (2643, 25140), (3524, 18855), (3771, 17620), (4190, 15858), (4405, 15084), (5028, 13215), (5286, 12570), (6285, 10572), (7542, 8810), (7929, 8380)]