81939960

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{227611}}^1$

素因数の和:227628

約数の個数: 48

約数和(自身を含む): 266306040

約数和(自身を除く): 184366080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 227611, 455222, 682833, 910444, 1138055, 1365666, 1820888, 2048499, 2276110, 2731332, 3414165, 4096998, 4552220, 5462664, 6828330, 8193996, 9104440, 10242495, 13656660, 16387992, 20484990, 27313320, 40969980, 81939960]

約数ペア:

[(1, 81939960), (2, 40969980), (3, 27313320), (4, 20484990), (5, 16387992), (6, 13656660), (8, 10242495), (9, 9104440), (10, 8193996), (12, 6828330), (15, 5462664), (18, 4552220), (20, 4096998), (24, 3414165), (30, 2731332), (36, 2276110), (40, 2048499), (45, 1820888), (60, 1365666), (72, 1138055), (90, 910444), (120, 682833), (180, 455222), (360, 227611)]