85778820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{229}}^1\times {\mathrm{2081}}^1$

素因数の和:2325

約数の個数: 72

約数和(自身を含む): 261457560

約数和(自身を除く): 175678740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 229, 458, 687, 916, 1145, 1374, 2061, 2081, 2290, 2748, 3435, 4122, 4162, 4580, 6243, 6870, 8244, 8324, 10305, 10405, 12486, 13740, 18729, 20610, 20810, 24972, 31215, 37458, 41220, 41620, 62430, 74916, 93645, 124860, 187290, 374580, 476549, 953098, 1429647, 1906196, 2382745, 2859294, 4288941, 4765490, 5718588, 7148235, 8577882, 9530980, 14296470, 17155764, 21444705, 28592940, 42889410, 85778820]

約数ペア:

[(1, 85778820), (2, 42889410), (3, 28592940), (4, 21444705), (5, 17155764), (6, 14296470), (9, 9530980), (10, 8577882), (12, 7148235), (15, 5718588), (18, 4765490), (20, 4288941), (30, 2859294), (36, 2382745), (45, 1906196), (60, 1429647), (90, 953098), (180, 476549), (229, 374580), (458, 187290), (687, 124860), (916, 93645), (1145, 74916), (1374, 62430), (2061, 41620), (2081, 41220), (2290, 37458), (2748, 31215), (3435, 24972), (4122, 20810), (4162, 20610), (4580, 18729), (6243, 13740), (6870, 12486), (8244, 10405), (8324, 10305)]