154953680

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{5647}}^1$

素因数の和:5681

約数の個数: 80

約数和(自身を含む): 420211200

約数和(自身を除く): 265257520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 343, 392, 490, 560, 686, 784, 980, 1372, 1715, 1960, 2744, 3430, 3920, 5488, 5647, 6860, 11294, 13720, 22588, 27440, 28235, 39529, 45176, 56470, 79058, 90352, 112940, 158116, 197645, 225880, 276703, 316232, 395290, 451760, 553406, 632464, 790580, 1106812, 1383515, 1581160, 1936921, 2213624, 2767030, 3162320, 3873842, 4427248, 5534060, 7747684, 9684605, 11068120, 15495368, 19369210, 22136240, 30990736, 38738420, 77476840, 154953680]

約数ペア:

[(1, 154953680), (2, 77476840), (4, 38738420), (5, 30990736), (7, 22136240), (8, 19369210), (10, 15495368), (14, 11068120), (16, 9684605), (20, 7747684), (28, 5534060), (35, 4427248), (40, 3873842), (49, 3162320), (56, 2767030), (70, 2213624), (80, 1936921), (98, 1581160), (112, 1383515), (140, 1106812), (196, 790580), (245, 632464), (280, 553406), (343, 451760), (392, 395290), (490, 316232), (560, 276703), (686, 225880), (784, 197645), (980, 158116), (1372, 112940), (1715, 90352), (1960, 79058), (2744, 56470), (3430, 45176), (3920, 39529), (5488, 28235), (5647, 27440), (6860, 22588), (11294, 13720)]