68897880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1$

素因数の和:250

約数の個数: 192

約数和(自身を含む): 239578560

約数和(自身を除く): 170680680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 30, 36, 40, 45, 46, 53, 60, 69, 72, 90, 92, 106, 115, 120, 138, 157, 159, 180, 184, 207, 212, 230, 265, 276, 314, 318, 345, 360, 414, 424, 460, 471, 477, 530, 552, 628, 636, 690, 785, 795, 828, 920, 942, 954, 1035, 1060, 1219, 1256, 1272, 1380, 1413, 1570, 1590, 1656, 1884, 1908, 2070, 2120, 2355, 2385, 2438, 2760, 2826, 3140, 3180, 3611, 3657, 3768, 3816, 4140, 4710, 4770, 4876, 5652, 6095, 6280, 6360, 7065, 7222, 7314, 8280, 8321, 9420, 9540, 9752, 10833, 10971, 11304, 12190, 14130, 14444, 14628, 16642, 18055, 18285, 18840, 19080, 21666, 21942, 24380, 24963, 28260, 28888, 29256, 32499, 33284, 36110, 36570, 41605, 43332, 43884, 48760, 49926, 54165, 54855, 56520, 64998, 66568, 72220, 73140, 74889, 83210, 86664, 87768, 99852, 108330, 109710, 124815, 129996, 144440, 146280, 149778, 162495, 166420, 191383, 199704, 216660, 219420, 249630, 259992, 299556, 324990, 332840, 374445, 382766, 433320, 438840, 499260, 574149, 599112, 649980, 748890, 765532, 956915, 998520, 1148298, 1299960, 1497780, 1531064, 1722447, 1913830, 2296596, 2870745, 2995560, 3444894, 3827660, 4593192, 5741490, 6889788, 7655320, 8612235, 11482980, 13779576, 17224470, 22965960, 34448940, 68897880]

約数ペア:

[(1, 68897880), (2, 34448940), (3, 22965960), (4, 17224470), (5, 13779576), (6, 11482980), (8, 8612235), (9, 7655320), (10, 6889788), (12, 5741490), (15, 4593192), (18, 3827660), (20, 3444894), (23, 2995560), (24, 2870745), (30, 2296596), (36, 1913830), (40, 1722447), (45, 1531064), (46, 1497780), (53, 1299960), (60, 1148298), (69, 998520), (72, 956915), (90, 765532), (92, 748890), (106, 649980), (115, 599112), (120, 574149), (138, 499260), (157, 438840), (159, 433320), (180, 382766), (184, 374445), (207, 332840), (212, 324990), (230, 299556), (265, 259992), (276, 249630), (314, 219420), (318, 216660), (345, 199704), (360, 191383), (414, 166420), (424, 162495), (460, 149778), (471, 146280), (477, 144440), (530, 129996), (552, 124815), (628, 109710), (636, 108330), (690, 99852), (785, 87768), (795, 86664), (828, 83210), (920, 74889), (942, 73140), (954, 72220), (1035, 66568), (1060, 64998), (1219, 56520), (1256, 54855), (1272, 54165), (1380, 49926), (1413, 48760), (1570, 43884), (1590, 43332), (1656, 41605), (1884, 36570), (1908, 36110), (2070, 33284), (2120, 32499), (2355, 29256), (2385, 28888), (2438, 28260), (2760, 24963), (2826, 24380), (3140, 21942), (3180, 21666), (3611, 19080), (3657, 18840), (3768, 18285), (3816, 18055), (4140, 16642), (4710, 14628), (4770, 14444), (4876, 14130), (5652, 12190), (6095, 11304), (6280, 10971), (6360, 10833), (7065, 9752), (7222, 9540), (7314, 9420), (8280, 8321)]