315129136

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{281}}^1$

素因数の和:363

約数の個数: 160

約数和(自身を含む): 805662720

約数和(自身を除く): 490533584

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 19, 28, 31, 34, 38, 56, 62, 68, 76, 112, 119, 124, 133, 136, 152, 217, 238, 248, 266, 272, 281, 304, 323, 434, 476, 496, 527, 532, 562, 589, 646, 868, 952, 1054, 1064, 1124, 1178, 1292, 1736, 1904, 1967, 2108, 2128, 2248, 2261, 2356, 2584, 3472, 3689, 3934, 4123, 4216, 4496, 4522, 4712, 4777, 5168, 5339, 7378, 7868, 8246, 8432, 8711, 9044, 9424, 9554, 10013, 10678, 14756, 15736, 16492, 17422, 18088, 19108, 20026, 21356, 29512, 31472, 32984, 33439, 34844, 36176, 37373, 38216, 40052, 42712, 59024, 60977, 65968, 66878, 69688, 70091, 74746, 76432, 80104, 85424, 90763, 121954, 133756, 139376, 140182, 148087, 149492, 160208, 165509, 181526, 243908, 267512, 280364, 296174, 298984, 331018, 363052, 487816, 535024, 560728, 592348, 597968, 635341, 662036, 726104, 975632, 1036609, 1121456, 1158563, 1184696, 1270682, 1324072, 1452208, 2073218, 2317126, 2369392, 2541364, 2648144, 2813653, 4146436, 4634252, 5082728, 5627306, 8292872, 9268504, 10165456, 11254612, 16585744, 18537008, 19695571, 22509224, 39391142, 45018448, 78782284, 157564568, 315129136]

約数ペア:

[(1, 315129136), (2, 157564568), (4, 78782284), (7, 45018448), (8, 39391142), (14, 22509224), (16, 19695571), (17, 18537008), (19, 16585744), (28, 11254612), (31, 10165456), (34, 9268504), (38, 8292872), (56, 5627306), (62, 5082728), (68, 4634252), (76, 4146436), (112, 2813653), (119, 2648144), (124, 2541364), (133, 2369392), (136, 2317126), (152, 2073218), (217, 1452208), (238, 1324072), (248, 1270682), (266, 1184696), (272, 1158563), (281, 1121456), (304, 1036609), (323, 975632), (434, 726104), (476, 662036), (496, 635341), (527, 597968), (532, 592348), (562, 560728), (589, 535024), (646, 487816), (868, 363052), (952, 331018), (1054, 298984), (1064, 296174), (1124, 280364), (1178, 267512), (1292, 243908), (1736, 181526), (1904, 165509), (1967, 160208), (2108, 149492), (2128, 148087), (2248, 140182), (2261, 139376), (2356, 133756), (2584, 121954), (3472, 90763), (3689, 85424), (3934, 80104), (4123, 76432), (4216, 74746), (4496, 70091), (4522, 69688), (4712, 66878), (4777, 65968), (5168, 60977), (5339, 59024), (7378, 42712), (7868, 40052), (8246, 38216), (8432, 37373), (8711, 36176), (9044, 34844), (9424, 33439), (9554, 32984), (10013, 31472), (10678, 29512), (14756, 21356), (15736, 20026), (16492, 19108), (17422, 18088)]