208668160

素因数分解:

$2^9\times 5^1\times {\mathrm{37}}^1\times {\mathrm{2203}}^1$

素因数の和:2263

約数の個数: 80

約数和(自身を含む): 514069776

約数和(自身を除く): 305401616

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 64, 74, 80, 128, 148, 160, 185, 256, 296, 320, 370, 512, 592, 640, 740, 1184, 1280, 1480, 2203, 2368, 2560, 2960, 4406, 4736, 5920, 8812, 9472, 11015, 11840, 17624, 18944, 22030, 23680, 35248, 44060, 47360, 70496, 81511, 88120, 94720, 140992, 163022, 176240, 281984, 326044, 352480, 407555, 563968, 652088, 704960, 815110, 1127936, 1304176, 1409920, 1630220, 2608352, 2819840, 3260440, 5216704, 5639680, 6520880, 10433408, 13041760, 20866816, 26083520, 41733632, 52167040, 104334080, 208668160]

約数ペア:

[(1, 208668160), (2, 104334080), (4, 52167040), (5, 41733632), (8, 26083520), (10, 20866816), (16, 13041760), (20, 10433408), (32, 6520880), (37, 5639680), (40, 5216704), (64, 3260440), (74, 2819840), (80, 2608352), (128, 1630220), (148, 1409920), (160, 1304176), (185, 1127936), (256, 815110), (296, 704960), (320, 652088), (370, 563968), (512, 407555), (592, 352480), (640, 326044), (740, 281984), (1184, 176240), (1280, 163022), (1480, 140992), (2203, 94720), (2368, 88120), (2560, 81511), (2960, 70496), (4406, 47360), (4736, 44060), (5920, 35248), (8812, 23680), (9472, 22030), (11015, 18944), (11840, 17624)]