205357860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{5407}}^1$

素因数の和:5633

約数の個数: 72

約数和(自身を含む): 625986816

約数和(自身を除く): 420628956

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 211, 422, 633, 844, 1055, 1266, 1899, 2110, 2532, 3165, 3798, 4220, 5407, 6330, 7596, 9495, 10814, 12660, 16221, 18990, 21628, 27035, 32442, 37980, 48663, 54070, 64884, 81105, 97326, 108140, 162210, 194652, 243315, 324420, 486630, 973260, 1140877, 2281754, 3422631, 4563508, 5704385, 6845262, 10267893, 11408770, 13690524, 17113155, 20535786, 22817540, 34226310, 41071572, 51339465, 68452620, 102678930, 205357860]

約数ペア:

[(1, 205357860), (2, 102678930), (3, 68452620), (4, 51339465), (5, 41071572), (6, 34226310), (9, 22817540), (10, 20535786), (12, 17113155), (15, 13690524), (18, 11408770), (20, 10267893), (30, 6845262), (36, 5704385), (45, 4563508), (60, 3422631), (90, 2281754), (180, 1140877), (211, 973260), (422, 486630), (633, 324420), (844, 243315), (1055, 194652), (1266, 162210), (1899, 108140), (2110, 97326), (2532, 81105), (3165, 64884), (3798, 54070), (4220, 48663), (5407, 37980), (6330, 32442), (7596, 27035), (9495, 21628), (10814, 18990), (12660, 16221)]