171964480

素因数分解:

$2^6\times 5^1\times {\mathrm{181}}^1\times {\mathrm{2969}}^1$

素因数の和:3167

約数の個数: 56

約数和(自身を含む): 411891480

約数和(自身を除く): 239927000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 181, 320, 362, 724, 905, 1448, 1810, 2896, 2969, 3620, 5792, 5938, 7240, 11584, 11876, 14480, 14845, 23752, 28960, 29690, 47504, 57920, 59380, 95008, 118760, 190016, 237520, 475040, 537389, 950080, 1074778, 2149556, 2686945, 4299112, 5373890, 8598224, 10747780, 17196448, 21495560, 34392896, 42991120, 85982240, 171964480]

約数ペア:

[(1, 171964480), (2, 85982240), (4, 42991120), (5, 34392896), (8, 21495560), (10, 17196448), (16, 10747780), (20, 8598224), (32, 5373890), (40, 4299112), (64, 2686945), (80, 2149556), (160, 1074778), (181, 950080), (320, 537389), (362, 475040), (724, 237520), (905, 190016), (1448, 118760), (1810, 95008), (2896, 59380), (2969, 57920), (3620, 47504), (5792, 29690), (5938, 28960), (7240, 23752), (11584, 14845), (11876, 14480)]