39841020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{1049}}^1$

素因数の和:1275

約数の個数: 72

約数和(自身を含む): 121539600

約数和(自身を除く): 81698580

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, 1049, 1055, 1266, 1899, 2098, 2110, 2532, 3147, 3165, 3798, 4196, 4220, 5245, 6294, 6330, 7596, 9441, 9495, 10490, 12588, 12660, 15735, 18882, 18990, 20980, 31470, 37764, 37980, 47205, 62940, 94410, 188820, 221339, 442678, 664017, 885356, 1106695, 1328034, 1992051, 2213390, 2656068, 3320085, 3984102, 4426780, 6640170, 7968204, 9960255, 13280340, 19920510, 39841020]

約数ペア:

[(1, 39841020), (2, 19920510), (3, 13280340), (4, 9960255), (5, 7968204), (6, 6640170), (9, 4426780), (10, 3984102), (12, 3320085), (15, 2656068), (18, 2213390), (20, 1992051), (30, 1328034), (36, 1106695), (45, 885356), (60, 664017), (90, 442678), (180, 221339), (211, 188820), (422, 94410), (633, 62940), (844, 47205), (1049, 37980), (1055, 37764), (1266, 31470), (1899, 20980), (2098, 18990), (2110, 18882), (2532, 15735), (3147, 12660), (3165, 12588), (3798, 10490), (4196, 9495), (4220, 9441), (5245, 7596), (6294, 6330)]