80816940

素因数分解:

$2^2\times 3^6\times 5^1\times {\mathrm{23}}^1\times {\mathrm{241}}^1$

素因数の和:291

約数の個数: 168

約数和(自身を含む): 266622048

約数和(自身を除く): 185805108

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 27, 30, 36, 45, 46, 54, 60, 69, 81, 90, 92, 108, 115, 135, 138, 162, 180, 207, 230, 241, 243, 270, 276, 324, 345, 405, 414, 460, 482, 486, 540, 621, 690, 723, 729, 810, 828, 964, 972, 1035, 1205, 1215, 1242, 1380, 1446, 1458, 1620, 1863, 2070, 2169, 2410, 2430, 2484, 2892, 2916, 3105, 3615, 3645, 3726, 4140, 4338, 4820, 4860, 5543, 5589, 6210, 6507, 7230, 7290, 7452, 8676, 9315, 10845, 11086, 11178, 12420, 13014, 14460, 14580, 16629, 16767, 18630, 19521, 21690, 22172, 22356, 26028, 27715, 27945, 32535, 33258, 33534, 37260, 39042, 43380, 49887, 55430, 55890, 58563, 65070, 66516, 67068, 78084, 83145, 83835, 97605, 99774, 110860, 111780, 117126, 130140, 149661, 166290, 167670, 175689, 195210, 199548, 234252, 249435, 292815, 299322, 332580, 335340, 351378, 390420, 448983, 498870, 585630, 598644, 702756, 748305, 878445, 897966, 997740, 1171260, 1346949, 1496610, 1756890, 1795932, 2244915, 2693898, 2993220, 3513780, 4040847, 4489830, 5387796, 6734745, 8081694, 8979660, 13469490, 16163388, 20204235, 26938980, 40408470, 80816940]

約数ペア:

[(1, 80816940), (2, 40408470), (3, 26938980), (4, 20204235), (5, 16163388), (6, 13469490), (9, 8979660), (10, 8081694), (12, 6734745), (15, 5387796), (18, 4489830), (20, 4040847), (23, 3513780), (27, 2993220), (30, 2693898), (36, 2244915), (45, 1795932), (46, 1756890), (54, 1496610), (60, 1346949), (69, 1171260), (81, 997740), (90, 897966), (92, 878445), (108, 748305), (115, 702756), (135, 598644), (138, 585630), (162, 498870), (180, 448983), (207, 390420), (230, 351378), (241, 335340), (243, 332580), (270, 299322), (276, 292815), (324, 249435), (345, 234252), (405, 199548), (414, 195210), (460, 175689), (482, 167670), (486, 166290), (540, 149661), (621, 130140), (690, 117126), (723, 111780), (729, 110860), (810, 99774), (828, 97605), (964, 83835), (972, 83145), (1035, 78084), (1205, 67068), (1215, 66516), (1242, 65070), (1380, 58563), (1446, 55890), (1458, 55430), (1620, 49887), (1863, 43380), (2070, 39042), (2169, 37260), (2410, 33534), (2430, 33258), (2484, 32535), (2892, 27945), (2916, 27715), (3105, 26028), (3615, 22356), (3645, 22172), (3726, 21690), (4140, 19521), (4338, 18630), (4820, 16767), (4860, 16629), (5543, 14580), (5589, 14460), (6210, 13014), (6507, 12420), (7230, 11178), (7290, 11086), (7452, 10845), (8676, 9315)]