168897920

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{8513}}^1$

素因数の和:8563

約数の個数: 64

約数和(自身を含む): 416845440

約数和(自身を除く): 247947520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 992, 1240, 1984, 2480, 3968, 4960, 8513, 9920, 17026, 19840, 34052, 42565, 68104, 85130, 136208, 170260, 263903, 272416, 340520, 527806, 544832, 681040, 1055612, 1089664, 1319515, 1362080, 2111224, 2639030, 2724160, 4222448, 5278060, 5448320, 8444896, 10556120, 16889792, 21112240, 33779584, 42224480, 84448960, 168897920]

約数ペア:

[(1, 168897920), (2, 84448960), (4, 42224480), (5, 33779584), (8, 21112240), (10, 16889792), (16, 10556120), (20, 8444896), (31, 5448320), (32, 5278060), (40, 4222448), (62, 2724160), (64, 2639030), (80, 2111224), (124, 1362080), (128, 1319515), (155, 1089664), (160, 1055612), (248, 681040), (310, 544832), (320, 527806), (496, 340520), (620, 272416), (640, 263903), (992, 170260), (1240, 136208), (1984, 85130), (2480, 68104), (3968, 42565), (4960, 34052), (8513, 19840), (9920, 17026)]