251780256

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{739}}^1$

素因数の和:788

約数の個数: 216

約数和(自身を含む): 887271840

約数和(自身を除く): 635491584

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 21, 24, 26, 28, 32, 36, 39, 42, 48, 52, 56, 63, 72, 78, 84, 91, 96, 104, 112, 117, 126, 144, 156, 168, 169, 182, 208, 224, 234, 252, 273, 288, 312, 336, 338, 364, 416, 468, 504, 507, 546, 624, 672, 676, 728, 739, 819, 936, 1008, 1014, 1092, 1183, 1248, 1352, 1456, 1478, 1521, 1638, 1872, 2016, 2028, 2184, 2217, 2366, 2704, 2912, 2956, 3042, 3276, 3549, 3744, 4056, 4368, 4434, 4732, 5173, 5408, 5912, 6084, 6552, 6651, 7098, 8112, 8736, 8868, 9464, 9607, 10346, 10647, 11824, 12168, 13104, 13302, 14196, 15519, 16224, 17736, 18928, 19214, 20692, 21294, 23648, 24336, 26208, 26604, 28392, 28821, 31038, 35472, 37856, 38428, 41384, 42588, 46557, 48672, 53208, 56784, 57642, 62076, 67249, 70944, 76856, 82768, 85176, 86463, 93114, 106416, 113568, 115284, 124152, 124891, 134498, 153712, 165536, 170352, 172926, 186228, 201747, 212832, 230568, 248304, 249782, 268996, 307424, 340704, 345852, 372456, 374673, 403494, 461136, 496608, 499564, 537992, 605241, 691704, 744912, 749346, 806988, 874237, 922272, 999128, 1075984, 1124019, 1210482, 1383408, 1489824, 1498692, 1613976, 1748474, 1998256, 2151968, 2248038, 2420964, 2622711, 2766816, 2997384, 3227952, 3496948, 3996512, 4496076, 4841928, 5245422, 5994768, 6455904, 6993896, 7868133, 8992152, 9683856, 10490844, 11989536, 13987792, 15736266, 17984304, 19367712, 20981688, 27975584, 31472532, 35968608, 41963376, 62945064, 83926752, 125890128, 251780256]

約数ペア:

[(1, 251780256), (2, 125890128), (3, 83926752), (4, 62945064), (6, 41963376), (7, 35968608), (8, 31472532), (9, 27975584), (12, 20981688), (13, 19367712), (14, 17984304), (16, 15736266), (18, 13987792), (21, 11989536), (24, 10490844), (26, 9683856), (28, 8992152), (32, 7868133), (36, 6993896), (39, 6455904), (42, 5994768), (48, 5245422), (52, 4841928), (56, 4496076), (63, 3996512), (72, 3496948), (78, 3227952), (84, 2997384), (91, 2766816), (96, 2622711), (104, 2420964), (112, 2248038), (117, 2151968), (126, 1998256), (144, 1748474), (156, 1613976), (168, 1498692), (169, 1489824), (182, 1383408), (208, 1210482), (224, 1124019), (234, 1075984), (252, 999128), (273, 922272), (288, 874237), (312, 806988), (336, 749346), (338, 744912), (364, 691704), (416, 605241), (468, 537992), (504, 499564), (507, 496608), (546, 461136), (624, 403494), (672, 374673), (676, 372456), (728, 345852), (739, 340704), (819, 307424), (936, 268996), (1008, 249782), (1014, 248304), (1092, 230568), (1183, 212832), (1248, 201747), (1352, 186228), (1456, 172926), (1478, 170352), (1521, 165536), (1638, 153712), (1872, 134498), (2016, 124891), (2028, 124152), (2184, 115284), (2217, 113568), (2366, 106416), (2704, 93114), (2912, 86463), (2956, 85176), (3042, 82768), (3276, 76856), (3549, 70944), (3744, 67249), (4056, 62076), (4368, 57642), (4434, 56784), (4732, 53208), (5173, 48672), (5408, 46557), (5912, 42588), (6084, 41384), (6552, 38428), (6651, 37856), (7098, 35472), (8112, 31038), (8736, 28821), (8868, 28392), (9464, 26604), (9607, 26208), (10346, 24336), (10647, 23648), (11824, 21294), (12168, 20692), (13104, 19214), (13302, 18928), (14196, 17736), (15519, 16224)]