128671452

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1$

素因数の和:249

約数の個数: 216

約数和(自身を含む): 422927232

約数和(自身を除く): 294255780

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 31, 36, 39, 42, 49, 52, 62, 63, 78, 84, 91, 93, 98, 117, 124, 126, 147, 156, 181, 182, 186, 196, 217, 234, 252, 273, 279, 294, 362, 364, 372, 403, 434, 441, 468, 543, 546, 558, 588, 637, 651, 724, 806, 819, 868, 882, 1086, 1092, 1116, 1209, 1267, 1274, 1302, 1519, 1612, 1629, 1638, 1764, 1911, 1953, 2172, 2353, 2418, 2534, 2548, 2604, 2821, 3038, 3258, 3276, 3627, 3801, 3822, 3906, 4557, 4706, 4836, 5068, 5611, 5642, 5733, 6076, 6516, 7059, 7254, 7602, 7644, 7812, 8463, 8869, 9114, 9412, 11222, 11284, 11403, 11466, 13671, 14118, 14508, 15204, 16471, 16833, 16926, 17738, 18228, 19747, 21177, 22444, 22806, 22932, 25389, 26607, 27342, 28236, 32942, 33666, 33852, 35476, 39277, 39494, 42354, 45612, 49413, 50499, 50778, 53214, 54684, 59241, 65884, 67332, 72943, 78554, 78988, 79821, 84708, 98826, 100998, 101556, 106428, 115297, 117831, 118482, 145886, 148239, 157108, 159642, 177723, 197652, 201996, 218829, 230594, 235662, 236964, 274939, 291772, 296478, 319284, 345891, 353493, 355446, 437658, 461188, 471324, 510601, 549878, 592956, 656487, 691782, 706986, 710892, 824817, 875316, 1021202, 1037673, 1099756, 1312974, 1383564, 1413972, 1531803, 1649634, 2042404, 2075346, 2474451, 2625948, 3063606, 3299268, 3574207, 4150692, 4595409, 4948902, 6127212, 7148414, 9190818, 9897804, 10722621, 14296828, 18381636, 21445242, 32167863, 42890484, 64335726, 128671452]

約数ペア:

[(1, 128671452), (2, 64335726), (3, 42890484), (4, 32167863), (6, 21445242), (7, 18381636), (9, 14296828), (12, 10722621), (13, 9897804), (14, 9190818), (18, 7148414), (21, 6127212), (26, 4948902), (28, 4595409), (31, 4150692), (36, 3574207), (39, 3299268), (42, 3063606), (49, 2625948), (52, 2474451), (62, 2075346), (63, 2042404), (78, 1649634), (84, 1531803), (91, 1413972), (93, 1383564), (98, 1312974), (117, 1099756), (124, 1037673), (126, 1021202), (147, 875316), (156, 824817), (181, 710892), (182, 706986), (186, 691782), (196, 656487), (217, 592956), (234, 549878), (252, 510601), (273, 471324), (279, 461188), (294, 437658), (362, 355446), (364, 353493), (372, 345891), (403, 319284), (434, 296478), (441, 291772), (468, 274939), (543, 236964), (546, 235662), (558, 230594), (588, 218829), (637, 201996), (651, 197652), (724, 177723), (806, 159642), (819, 157108), (868, 148239), (882, 145886), (1086, 118482), (1092, 117831), (1116, 115297), (1209, 106428), (1267, 101556), (1274, 100998), (1302, 98826), (1519, 84708), (1612, 79821), (1629, 78988), (1638, 78554), (1764, 72943), (1911, 67332), (1953, 65884), (2172, 59241), (2353, 54684), (2418, 53214), (2534, 50778), (2548, 50499), (2604, 49413), (2821, 45612), (3038, 42354), (3258, 39494), (3276, 39277), (3627, 35476), (3801, 33852), (3822, 33666), (3906, 32942), (4557, 28236), (4706, 27342), (4836, 26607), (5068, 25389), (5611, 22932), (5642, 22806), (5733, 22444), (6076, 21177), (6516, 19747), (7059, 18228), (7254, 17738), (7602, 16926), (7644, 16833), (7812, 16471), (8463, 15204), (8869, 14508), (9114, 14118), (9412, 13671), (11222, 11466), (11284, 11403)]