251310528

素因数分解:

$2^6\times 3^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{397}}^1$

素因数の和:579

約数の個数: 168

約数和(自身を含む): 830571872

約数和(自身を除く): 579261344

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 64, 72, 84, 96, 112, 126, 144, 157, 168, 192, 224, 252, 288, 314, 336, 397, 448, 471, 504, 576, 628, 672, 794, 942, 1008, 1099, 1191, 1256, 1344, 1413, 1588, 1884, 2016, 2198, 2382, 2512, 2779, 2826, 3176, 3297, 3573, 3768, 4032, 4396, 4764, 5024, 5558, 5652, 6352, 6594, 7146, 7536, 8337, 8792, 9528, 9891, 10048, 11116, 11304, 12704, 13188, 14292, 15072, 16674, 17584, 19056, 19782, 22232, 22608, 25011, 25408, 26376, 28584, 30144, 33348, 35168, 38112, 39564, 44464, 45216, 50022, 52752, 57168, 62329, 66696, 70336, 76224, 79128, 88928, 90432, 100044, 105504, 114336, 124658, 133392, 158256, 177856, 186987, 200088, 211008, 228672, 249316, 266784, 316512, 373974, 400176, 436303, 498632, 533568, 560961, 633024, 747948, 800352, 872606, 997264, 1121922, 1308909, 1495896, 1600704, 1745212, 1994528, 2243844, 2617818, 2991792, 3490424, 3926727, 3989056, 4487688, 5235636, 5983584, 6980848, 7853454, 8975376, 10471272, 11967168, 13961696, 15706908, 17950752, 20942544, 27923392, 31413816, 35901504, 41885088, 62827632, 83770176, 125655264, 251310528]

約数ペア:

[(1, 251310528), (2, 125655264), (3, 83770176), (4, 62827632), (6, 41885088), (7, 35901504), (8, 31413816), (9, 27923392), (12, 20942544), (14, 17950752), (16, 15706908), (18, 13961696), (21, 11967168), (24, 10471272), (28, 8975376), (32, 7853454), (36, 6980848), (42, 5983584), (48, 5235636), (56, 4487688), (63, 3989056), (64, 3926727), (72, 3490424), (84, 2991792), (96, 2617818), (112, 2243844), (126, 1994528), (144, 1745212), (157, 1600704), (168, 1495896), (192, 1308909), (224, 1121922), (252, 997264), (288, 872606), (314, 800352), (336, 747948), (397, 633024), (448, 560961), (471, 533568), (504, 498632), (576, 436303), (628, 400176), (672, 373974), (794, 316512), (942, 266784), (1008, 249316), (1099, 228672), (1191, 211008), (1256, 200088), (1344, 186987), (1413, 177856), (1588, 158256), (1884, 133392), (2016, 124658), (2198, 114336), (2382, 105504), (2512, 100044), (2779, 90432), (2826, 88928), (3176, 79128), (3297, 76224), (3573, 70336), (3768, 66696), (4032, 62329), (4396, 57168), (4764, 52752), (5024, 50022), (5558, 45216), (5652, 44464), (6352, 39564), (6594, 38112), (7146, 35168), (7536, 33348), (8337, 30144), (8792, 28584), (9528, 26376), (9891, 25408), (10048, 25011), (11116, 22608), (11304, 22232), (12704, 19782), (13188, 19056), (14292, 17584), (15072, 16674)]