80427780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{19427}}^1$

素因数の和:19465

約数の個数: 72

約数和(自身を含む): 254584512

約数和(自身を除く): 174156732

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 19427, 38854, 58281, 77708, 97135, 116562, 174843, 194270, 233124, 291405, 349686, 388540, 446821, 582810, 699372, 874215, 893642, 1165620, 1340463, 1748430, 1787284, 2234105, 2680926, 3496860, 4021389, 4468210, 5361852, 6702315, 8042778, 8936420, 13404630, 16085556, 20106945, 26809260, 40213890, 80427780]

約数ペア:

[(1, 80427780), (2, 40213890), (3, 26809260), (4, 20106945), (5, 16085556), (6, 13404630), (9, 8936420), (10, 8042778), (12, 6702315), (15, 5361852), (18, 4468210), (20, 4021389), (23, 3496860), (30, 2680926), (36, 2234105), (45, 1787284), (46, 1748430), (60, 1340463), (69, 1165620), (90, 893642), (92, 874215), (115, 699372), (138, 582810), (180, 446821), (207, 388540), (230, 349686), (276, 291405), (345, 233124), (414, 194270), (460, 174843), (690, 116562), (828, 97135), (1035, 77708), (1380, 58281), (2070, 38854), (4140, 19427)]