89841680

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{311}}^1$

素因数の和:504

約数の個数: 80

約数和(自身を含む): 220057344

約数和(自身を除く): 130215664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 157, 184, 230, 311, 314, 368, 460, 622, 628, 785, 920, 1244, 1256, 1555, 1570, 1840, 2488, 2512, 3110, 3140, 3611, 4976, 6220, 6280, 7153, 7222, 12440, 12560, 14306, 14444, 18055, 24880, 28612, 28888, 35765, 36110, 48827, 57224, 57776, 71530, 72220, 97654, 114448, 143060, 144440, 195308, 244135, 286120, 288880, 390616, 488270, 572240, 781232, 976540, 1123021, 1953080, 2246042, 3906160, 4492084, 5615105, 8984168, 11230210, 17968336, 22460420, 44920840, 89841680]

約数ペア:

[(1, 89841680), (2, 44920840), (4, 22460420), (5, 17968336), (8, 11230210), (10, 8984168), (16, 5615105), (20, 4492084), (23, 3906160), (40, 2246042), (46, 1953080), (80, 1123021), (92, 976540), (115, 781232), (157, 572240), (184, 488270), (230, 390616), (311, 288880), (314, 286120), (368, 244135), (460, 195308), (622, 144440), (628, 143060), (785, 114448), (920, 97654), (1244, 72220), (1256, 71530), (1555, 57776), (1570, 57224), (1840, 48827), (2488, 36110), (2512, 35765), (3110, 28888), (3140, 28612), (3611, 24880), (4976, 18055), (6220, 14444), (6280, 14306), (7153, 12560), (7222, 12440)]