251013168

素因数分解:

$2^4\times 3^5\times 7^1\times {\mathrm{23}}^1\times {\mathrm{401}}^1$

素因数の和:454

約数の個数: 240

約数和(自身を含む): 870944256

約数和(自身を除く): 619931088

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 23, 24, 27, 28, 36, 42, 46, 48, 54, 56, 63, 69, 72, 81, 84, 92, 108, 112, 126, 138, 144, 161, 162, 168, 184, 189, 207, 216, 243, 252, 276, 322, 324, 336, 368, 378, 401, 414, 432, 483, 486, 504, 552, 567, 621, 644, 648, 756, 802, 828, 966, 972, 1008, 1104, 1134, 1203, 1242, 1288, 1296, 1449, 1512, 1604, 1656, 1701, 1863, 1932, 1944, 2268, 2406, 2484, 2576, 2807, 2898, 3024, 3208, 3312, 3402, 3609, 3726, 3864, 3888, 4347, 4536, 4812, 4968, 5589, 5614, 5796, 6416, 6804, 7218, 7452, 7728, 8421, 8694, 9072, 9223, 9624, 9936, 10827, 11178, 11228, 11592, 13041, 13608, 14436, 14904, 16842, 17388, 18446, 19248, 21654, 22356, 22456, 23184, 25263, 26082, 27216, 27669, 28872, 29808, 32481, 33684, 34776, 36892, 39123, 43308, 44712, 44912, 50526, 52164, 55338, 57744, 64561, 64962, 67368, 69552, 73784, 75789, 78246, 83007, 86616, 89424, 97443, 101052, 104328, 110676, 129122, 129924, 134736, 147568, 151578, 156492, 166014, 173232, 193683, 194886, 202104, 208656, 221352, 227367, 249021, 258244, 259848, 303156, 312984, 332028, 387366, 389772, 404208, 442704, 454734, 498042, 516488, 519696, 581049, 606312, 625968, 664056, 682101, 747063, 774732, 779544, 909468, 996084, 1032976, 1162098, 1212624, 1328112, 1364202, 1494126, 1549464, 1559088, 1743147, 1818936, 1992168, 2241189, 2324196, 2728404, 2988252, 3098928, 3486294, 3637872, 3984336, 4482378, 4648392, 5229441, 5456808, 5976504, 6972588, 8964756, 9296784, 10458882, 10913616, 11953008, 13945176, 15688323, 17929512, 20917764, 27890352, 31376646, 35859024, 41835528, 62753292, 83671056, 125506584, 251013168]

約数ペア:

[(1, 251013168), (2, 125506584), (3, 83671056), (4, 62753292), (6, 41835528), (7, 35859024), (8, 31376646), (9, 27890352), (12, 20917764), (14, 17929512), (16, 15688323), (18, 13945176), (21, 11953008), (23, 10913616), (24, 10458882), (27, 9296784), (28, 8964756), (36, 6972588), (42, 5976504), (46, 5456808), (48, 5229441), (54, 4648392), (56, 4482378), (63, 3984336), (69, 3637872), (72, 3486294), (81, 3098928), (84, 2988252), (92, 2728404), (108, 2324196), (112, 2241189), (126, 1992168), (138, 1818936), (144, 1743147), (161, 1559088), (162, 1549464), (168, 1494126), (184, 1364202), (189, 1328112), (207, 1212624), (216, 1162098), (243, 1032976), (252, 996084), (276, 909468), (322, 779544), (324, 774732), (336, 747063), (368, 682101), (378, 664056), (401, 625968), (414, 606312), (432, 581049), (483, 519696), (486, 516488), (504, 498042), (552, 454734), (567, 442704), (621, 404208), (644, 389772), (648, 387366), (756, 332028), (802, 312984), (828, 303156), (966, 259848), (972, 258244), (1008, 249021), (1104, 227367), (1134, 221352), (1203, 208656), (1242, 202104), (1288, 194886), (1296, 193683), (1449, 173232), (1512, 166014), (1604, 156492), (1656, 151578), (1701, 147568), (1863, 134736), (1932, 129924), (1944, 129122), (2268, 110676), (2406, 104328), (2484, 101052), (2576, 97443), (2807, 89424), (2898, 86616), (3024, 83007), (3208, 78246), (3312, 75789), (3402, 73784), (3609, 69552), (3726, 67368), (3864, 64962), (3888, 64561), (4347, 57744), (4536, 55338), (4812, 52164), (4968, 50526), (5589, 44912), (5614, 44712), (5796, 43308), (6416, 39123), (6804, 36892), (7218, 34776), (7452, 33684), (7728, 32481), (8421, 29808), (8694, 28872), (9072, 27669), (9223, 27216), (9624, 26082), (9936, 25263), (10827, 23184), (11178, 22456), (11228, 22356), (11592, 21654), (13041, 19248), (13608, 18446), (14436, 17388), (14904, 16842)]