257772564

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{647}}^1$

素因数の和:715

約数の個数: 192

約数和(自身を含む): 836075520

約数和(自身を除く): 578302956

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 27, 28, 31, 34, 36, 42, 51, 54, 62, 63, 68, 84, 93, 102, 108, 119, 124, 126, 153, 186, 189, 204, 217, 238, 252, 279, 306, 357, 372, 378, 434, 459, 476, 527, 558, 612, 647, 651, 714, 756, 837, 868, 918, 1054, 1071, 1116, 1294, 1302, 1428, 1581, 1674, 1836, 1941, 1953, 2108, 2142, 2588, 2604, 3162, 3213, 3348, 3689, 3882, 3906, 4284, 4529, 4743, 5823, 5859, 6324, 6426, 7378, 7764, 7812, 9058, 9486, 10999, 11067, 11646, 11718, 12852, 13587, 14229, 14756, 17469, 18116, 18972, 20057, 21998, 22134, 23292, 23436, 27174, 28458, 32997, 33201, 34938, 40114, 40761, 43996, 44268, 54348, 56916, 60171, 65994, 66402, 69876, 76993, 80228, 81522, 98991, 99603, 120342, 122283, 131988, 132804, 140399, 153986, 163044, 180513, 197982, 199206, 230979, 240684, 244566, 280798, 296973, 307972, 340969, 361026, 395964, 398412, 421197, 461958, 489132, 541539, 561596, 593946, 681938, 692937, 722052, 842394, 923916, 1022907, 1083078, 1187892, 1263591, 1363876, 1385874, 1684788, 2045814, 2078811, 2166156, 2386783, 2527182, 2771748, 3068721, 3790773, 4091628, 4157622, 4773566, 5054364, 6137442, 7160349, 7581546, 8315244, 9206163, 9547132, 12274884, 14320698, 15163092, 18412326, 21481047, 28641396, 36824652, 42962094, 64443141, 85924188, 128886282, 257772564]

約数ペア:

[(1, 257772564), (2, 128886282), (3, 85924188), (4, 64443141), (6, 42962094), (7, 36824652), (9, 28641396), (12, 21481047), (14, 18412326), (17, 15163092), (18, 14320698), (21, 12274884), (27, 9547132), (28, 9206163), (31, 8315244), (34, 7581546), (36, 7160349), (42, 6137442), (51, 5054364), (54, 4773566), (62, 4157622), (63, 4091628), (68, 3790773), (84, 3068721), (93, 2771748), (102, 2527182), (108, 2386783), (119, 2166156), (124, 2078811), (126, 2045814), (153, 1684788), (186, 1385874), (189, 1363876), (204, 1263591), (217, 1187892), (238, 1083078), (252, 1022907), (279, 923916), (306, 842394), (357, 722052), (372, 692937), (378, 681938), (434, 593946), (459, 561596), (476, 541539), (527, 489132), (558, 461958), (612, 421197), (647, 398412), (651, 395964), (714, 361026), (756, 340969), (837, 307972), (868, 296973), (918, 280798), (1054, 244566), (1071, 240684), (1116, 230979), (1294, 199206), (1302, 197982), (1428, 180513), (1581, 163044), (1674, 153986), (1836, 140399), (1941, 132804), (1953, 131988), (2108, 122283), (2142, 120342), (2588, 99603), (2604, 98991), (3162, 81522), (3213, 80228), (3348, 76993), (3689, 69876), (3882, 66402), (3906, 65994), (4284, 60171), (4529, 56916), (4743, 54348), (5823, 44268), (5859, 43996), (6324, 40761), (6426, 40114), (7378, 34938), (7764, 33201), (7812, 32997), (9058, 28458), (9486, 27174), (10999, 23436), (11067, 23292), (11646, 22134), (11718, 21998), (12852, 20057), (13587, 18972), (14229, 18116), (14756, 17469)]