257362248

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1$

素因数の和:164

約数の個数: 256

約数和(自身を含む): 812851200

約数和(自身を除く): 555488952

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 22, 24, 26, 31, 33, 39, 41, 44, 52, 59, 62, 66, 78, 82, 88, 93, 104, 118, 123, 124, 132, 143, 156, 164, 177, 186, 236, 246, 248, 264, 286, 312, 328, 341, 354, 372, 403, 429, 451, 472, 492, 533, 572, 649, 682, 708, 744, 767, 806, 858, 902, 984, 1023, 1066, 1144, 1209, 1271, 1298, 1353, 1364, 1416, 1534, 1599, 1612, 1716, 1804, 1829, 1947, 2046, 2132, 2301, 2418, 2419, 2542, 2596, 2706, 2728, 3068, 3198, 3224, 3432, 3608, 3658, 3813, 3894, 4092, 4264, 4433, 4602, 4836, 4838, 5084, 5192, 5412, 5487, 5863, 6136, 6396, 7257, 7316, 7626, 7788, 8184, 8437, 8866, 9204, 9672, 9676, 10168, 10824, 10974, 11726, 12792, 13299, 13981, 14514, 14632, 15252, 15576, 16523, 16874, 17589, 17732, 18408, 19352, 20119, 21948, 23452, 23777, 25311, 26598, 26609, 27962, 29028, 30504, 31447, 33046, 33748, 35178, 35464, 40238, 41943, 43896, 46904, 47554, 49569, 50622, 53196, 53218, 55924, 58056, 60357, 62894, 66092, 67496, 70356, 71331, 74989, 79827, 80476, 83886, 94341, 95108, 99138, 101244, 106392, 106436, 111848, 120714, 125788, 132184, 140712, 142662, 149978, 159654, 160952, 167772, 181753, 188682, 190216, 198276, 202488, 212872, 224967, 241428, 251576, 261547, 285324, 299956, 319308, 335544, 345917, 363506, 377364, 396552, 449934, 482856, 523094, 545259, 570648, 599912, 638616, 691834, 727012, 754728, 784641, 824879, 899868, 974857, 1037751, 1046188, 1090518, 1383668, 1454024, 1569282, 1649758, 1799736, 1949714, 2075502, 2092376, 2181036, 2474637, 2767336, 2924571, 3138564, 3299516, 3899428, 4151004, 4362072, 4949274, 5849142, 6277128, 6599032, 7798856, 8302008, 9898548, 10723427, 11698284, 19797096, 21446854, 23396568, 32170281, 42893708, 64340562, 85787416, 128681124, 257362248]

約数ペア:

[(1, 257362248), (2, 128681124), (3, 85787416), (4, 64340562), (6, 42893708), (8, 32170281), (11, 23396568), (12, 21446854), (13, 19797096), (22, 11698284), (24, 10723427), (26, 9898548), (31, 8302008), (33, 7798856), (39, 6599032), (41, 6277128), (44, 5849142), (52, 4949274), (59, 4362072), (62, 4151004), (66, 3899428), (78, 3299516), (82, 3138564), (88, 2924571), (93, 2767336), (104, 2474637), (118, 2181036), (123, 2092376), (124, 2075502), (132, 1949714), (143, 1799736), (156, 1649758), (164, 1569282), (177, 1454024), (186, 1383668), (236, 1090518), (246, 1046188), (248, 1037751), (264, 974857), (286, 899868), (312, 824879), (328, 784641), (341, 754728), (354, 727012), (372, 691834), (403, 638616), (429, 599912), (451, 570648), (472, 545259), (492, 523094), (533, 482856), (572, 449934), (649, 396552), (682, 377364), (708, 363506), (744, 345917), (767, 335544), (806, 319308), (858, 299956), (902, 285324), (984, 261547), (1023, 251576), (1066, 241428), (1144, 224967), (1209, 212872), (1271, 202488), (1298, 198276), (1353, 190216), (1364, 188682), (1416, 181753), (1534, 167772), (1599, 160952), (1612, 159654), (1716, 149978), (1804, 142662), (1829, 140712), (1947, 132184), (2046, 125788), (2132, 120714), (2301, 111848), (2418, 106436), (2419, 106392), (2542, 101244), (2596, 99138), (2706, 95108), (2728, 94341), (3068, 83886), (3198, 80476), (3224, 79827), (3432, 74989), (3608, 71331), (3658, 70356), (3813, 67496), (3894, 66092), (4092, 62894), (4264, 60357), (4433, 58056), (4602, 55924), (4836, 53218), (4838, 53196), (5084, 50622), (5192, 49569), (5412, 47554), (5487, 46904), (5863, 43896), (6136, 41943), (6396, 40238), (7257, 35464), (7316, 35178), (7626, 33748), (7788, 33046), (8184, 31447), (8437, 30504), (8866, 29028), (9204, 27962), (9672, 26609), (9676, 26598), (10168, 25311), (10824, 23777), (10974, 23452), (11726, 21948), (12792, 20119), (13299, 19352), (13981, 18408), (14514, 17732), (14632, 17589), (15252, 16874), (15576, 16523)]