257162112

素因数分解:

$2^7\times 3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{379}}^1$

素因数の和:449

約数の個数: 192

約数和(自身を含む): 806208000

約数和(自身を除く): 549045888

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 31, 32, 36, 38, 48, 57, 62, 64, 72, 76, 93, 96, 114, 124, 128, 144, 152, 171, 186, 192, 228, 248, 279, 288, 304, 342, 372, 379, 384, 456, 496, 558, 576, 589, 608, 684, 744, 758, 912, 992, 1116, 1137, 1152, 1178, 1216, 1368, 1488, 1516, 1767, 1824, 1984, 2232, 2274, 2356, 2432, 2736, 2976, 3032, 3411, 3534, 3648, 3968, 4464, 4548, 4712, 5301, 5472, 5952, 6064, 6822, 7068, 7201, 7296, 8928, 9096, 9424, 10602, 10944, 11749, 11904, 12128, 13644, 14136, 14402, 17856, 18192, 18848, 21204, 21603, 21888, 23498, 24256, 27288, 28272, 28804, 35247, 35712, 36384, 37696, 42408, 43206, 46996, 48512, 54576, 56544, 57608, 64809, 70494, 72768, 75392, 84816, 86412, 93992, 105741, 109152, 113088, 115216, 129618, 140988, 145536, 169632, 172824, 187984, 211482, 218304, 223231, 226176, 230432, 259236, 281976, 339264, 345648, 375968, 422964, 436608, 446462, 460864, 518472, 563952, 669693, 678528, 691296, 751936, 845928, 892924, 921728, 1036944, 1127904, 1339386, 1382592, 1503872, 1691856, 1785848, 2009079, 2073888, 2255808, 2678772, 2765184, 3383712, 3571696, 4018158, 4147776, 4511616, 5357544, 6767424, 7143392, 8036316, 8295552, 10715088, 13534848, 14286784, 16072632, 21430176, 28573568, 32145264, 42860352, 64290528, 85720704, 128581056, 257162112]

約数ペア:

[(1, 257162112), (2, 128581056), (3, 85720704), (4, 64290528), (6, 42860352), (8, 32145264), (9, 28573568), (12, 21430176), (16, 16072632), (18, 14286784), (19, 13534848), (24, 10715088), (31, 8295552), (32, 8036316), (36, 7143392), (38, 6767424), (48, 5357544), (57, 4511616), (62, 4147776), (64, 4018158), (72, 3571696), (76, 3383712), (93, 2765184), (96, 2678772), (114, 2255808), (124, 2073888), (128, 2009079), (144, 1785848), (152, 1691856), (171, 1503872), (186, 1382592), (192, 1339386), (228, 1127904), (248, 1036944), (279, 921728), (288, 892924), (304, 845928), (342, 751936), (372, 691296), (379, 678528), (384, 669693), (456, 563952), (496, 518472), (558, 460864), (576, 446462), (589, 436608), (608, 422964), (684, 375968), (744, 345648), (758, 339264), (912, 281976), (992, 259236), (1116, 230432), (1137, 226176), (1152, 223231), (1178, 218304), (1216, 211482), (1368, 187984), (1488, 172824), (1516, 169632), (1767, 145536), (1824, 140988), (1984, 129618), (2232, 115216), (2274, 113088), (2356, 109152), (2432, 105741), (2736, 93992), (2976, 86412), (3032, 84816), (3411, 75392), (3534, 72768), (3648, 70494), (3968, 64809), (4464, 57608), (4548, 56544), (4712, 54576), (5301, 48512), (5472, 46996), (5952, 43206), (6064, 42408), (6822, 37696), (7068, 36384), (7201, 35712), (7296, 35247), (8928, 28804), (9096, 28272), (9424, 27288), (10602, 24256), (10944, 23498), (11749, 21888), (11904, 21603), (12128, 21204), (13644, 18848), (14136, 18192), (14402, 17856)]