77163920

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^2\times {\mathrm{181}}^1$

素因数の和:340

約数の個数: 60

約数和(自身を含む): 182902356

約数和(自身を除く): 105738436

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 181, 292, 362, 365, 584, 724, 730, 905, 1168, 1448, 1460, 1810, 2896, 2920, 3620, 5329, 5840, 7240, 10658, 13213, 14480, 21316, 26426, 26645, 42632, 52852, 53290, 66065, 85264, 105704, 106580, 132130, 211408, 213160, 264260, 426320, 528520, 964549, 1057040, 1929098, 3858196, 4822745, 7716392, 9645490, 15432784, 19290980, 38581960, 77163920]

約数ペア:

[(1, 77163920), (2, 38581960), (4, 19290980), (5, 15432784), (8, 9645490), (10, 7716392), (16, 4822745), (20, 3858196), (40, 1929098), (73, 1057040), (80, 964549), (146, 528520), (181, 426320), (292, 264260), (362, 213160), (365, 211408), (584, 132130), (724, 106580), (730, 105704), (905, 85264), (1168, 66065), (1448, 53290), (1460, 52852), (1810, 42632), (2896, 26645), (2920, 26426), (3620, 21316), (5329, 14480), (5840, 13213), (7240, 10658)]