257434992

素因数分解:

$2^4\times 3^2\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{379}}^1$

素因数の和:535

約数の個数: 120

約数和(自身を含む): 744260400

約数和(自身を除く): 486825408

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 53, 72, 89, 106, 144, 159, 178, 212, 267, 318, 356, 379, 424, 477, 534, 636, 712, 758, 801, 848, 954, 1068, 1137, 1272, 1424, 1516, 1602, 1908, 2136, 2274, 2544, 3032, 3204, 3411, 3816, 4272, 4548, 4717, 6064, 6408, 6822, 7632, 9096, 9434, 12816, 13644, 14151, 18192, 18868, 20087, 27288, 28302, 33731, 37736, 40174, 42453, 54576, 56604, 60261, 67462, 75472, 80348, 84906, 101193, 113208, 120522, 134924, 160696, 169812, 180783, 202386, 226416, 241044, 269848, 303579, 321392, 339624, 361566, 404772, 482088, 539696, 607158, 679248, 723132, 809544, 964176, 1214316, 1446264, 1619088, 1787743, 2428632, 2892528, 3575486, 4857264, 5363229, 7150972, 10726458, 14301944, 16089687, 21452916, 28603888, 32179374, 42905832, 64358748, 85811664, 128717496, 257434992]

約数ペア:

[(1, 257434992), (2, 128717496), (3, 85811664), (4, 64358748), (6, 42905832), (8, 32179374), (9, 28603888), (12, 21452916), (16, 16089687), (18, 14301944), (24, 10726458), (36, 7150972), (48, 5363229), (53, 4857264), (72, 3575486), (89, 2892528), (106, 2428632), (144, 1787743), (159, 1619088), (178, 1446264), (212, 1214316), (267, 964176), (318, 809544), (356, 723132), (379, 679248), (424, 607158), (477, 539696), (534, 482088), (636, 404772), (712, 361566), (758, 339624), (801, 321392), (848, 303579), (954, 269848), (1068, 241044), (1137, 226416), (1272, 202386), (1424, 180783), (1516, 169812), (1602, 160696), (1908, 134924), (2136, 120522), (2274, 113208), (2544, 101193), (3032, 84906), (3204, 80348), (3411, 75472), (3816, 67462), (4272, 60261), (4548, 56604), (4717, 54576), (6064, 42453), (6408, 40174), (6822, 37736), (7632, 33731), (9096, 28302), (9434, 27288), (12816, 20087), (13644, 18868), (14151, 18192)]