178919680

素因数分解:

$2^8\times 5^1\times {\mathrm{113}}^1\times {\mathrm{1237}}^1$

素因数の和:1371

約数の個数: 72

約数和(自身を含む): 432710712

約数和(自身を除く): 253791032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 113, 128, 160, 226, 256, 320, 452, 565, 640, 904, 1130, 1237, 1280, 1808, 2260, 2474, 3616, 4520, 4948, 6185, 7232, 9040, 9896, 12370, 14464, 18080, 19792, 24740, 28928, 36160, 39584, 49480, 72320, 79168, 98960, 139781, 144640, 158336, 197920, 279562, 316672, 395840, 559124, 698905, 791680, 1118248, 1397810, 1583360, 2236496, 2795620, 4472992, 5591240, 8945984, 11182480, 17891968, 22364960, 35783936, 44729920, 89459840, 178919680]

約数ペア:

[(1, 178919680), (2, 89459840), (4, 44729920), (5, 35783936), (8, 22364960), (10, 17891968), (16, 11182480), (20, 8945984), (32, 5591240), (40, 4472992), (64, 2795620), (80, 2236496), (113, 1583360), (128, 1397810), (160, 1118248), (226, 791680), (256, 698905), (320, 559124), (452, 395840), (565, 316672), (640, 279562), (904, 197920), (1130, 158336), (1237, 144640), (1280, 139781), (1808, 98960), (2260, 79168), (2474, 72320), (3616, 49480), (4520, 39584), (4948, 36160), (6185, 28928), (7232, 24740), (9040, 19792), (9896, 18080), (12370, 14464)]