157944640

素因数分解:

$2^6\times 5^1\times 7^3\times {\mathrm{1439}}^1$

素因数の和:1477

約数の個数: 112

約数和(自身を含む): 438912000

約数和(自身を除く): 280967360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 320, 343, 392, 448, 490, 560, 686, 784, 980, 1120, 1372, 1439, 1568, 1715, 1960, 2240, 2744, 2878, 3136, 3430, 3920, 5488, 5756, 6860, 7195, 7840, 10073, 10976, 11512, 13720, 14390, 15680, 20146, 21952, 23024, 27440, 28780, 40292, 46048, 50365, 54880, 57560, 70511, 80584, 92096, 100730, 109760, 115120, 141022, 161168, 201460, 230240, 282044, 322336, 352555, 402920, 460480, 493577, 564088, 644672, 705110, 805840, 987154, 1128176, 1410220, 1611680, 1974308, 2256352, 2467885, 2820440, 3223360, 3948616, 4512704, 4935770, 5640880, 7897232, 9871540, 11281760, 15794464, 19743080, 22563520, 31588928, 39486160, 78972320, 157944640]

約数ペア:

[(1, 157944640), (2, 78972320), (4, 39486160), (5, 31588928), (7, 22563520), (8, 19743080), (10, 15794464), (14, 11281760), (16, 9871540), (20, 7897232), (28, 5640880), (32, 4935770), (35, 4512704), (40, 3948616), (49, 3223360), (56, 2820440), (64, 2467885), (70, 2256352), (80, 1974308), (98, 1611680), (112, 1410220), (140, 1128176), (160, 987154), (196, 805840), (224, 705110), (245, 644672), (280, 564088), (320, 493577), (343, 460480), (392, 402920), (448, 352555), (490, 322336), (560, 282044), (686, 230240), (784, 201460), (980, 161168), (1120, 141022), (1372, 115120), (1439, 109760), (1568, 100730), (1715, 92096), (1960, 80584), (2240, 70511), (2744, 57560), (2878, 54880), (3136, 50365), (3430, 46048), (3920, 40292), (5488, 28780), (5756, 27440), (6860, 23024), (7195, 21952), (7840, 20146), (10073, 15680), (10976, 14390), (11512, 13720)]