256411008

素因数分解:

$2^7\times 3^4\times 7^1\times {\mathrm{3533}}^1$

素因数の和:3566

約数の個数: 160

約数和(自身を含む): 872332560

約数和(自身を除く): 615921552

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 54, 56, 63, 64, 72, 81, 84, 96, 108, 112, 126, 128, 144, 162, 168, 189, 192, 216, 224, 252, 288, 324, 336, 378, 384, 432, 448, 504, 567, 576, 648, 672, 756, 864, 896, 1008, 1134, 1152, 1296, 1344, 1512, 1728, 2016, 2268, 2592, 2688, 3024, 3456, 3533, 4032, 4536, 5184, 6048, 7066, 8064, 9072, 10368, 10599, 12096, 14132, 18144, 21198, 24192, 24731, 28264, 31797, 36288, 42396, 49462, 56528, 63594, 72576, 74193, 84792, 95391, 98924, 113056, 127188, 148386, 169584, 190782, 197848, 222579, 226112, 254376, 286173, 296772, 339168, 381564, 395696, 445158, 452224, 508752, 572346, 593544, 667737, 678336, 763128, 791392, 890316, 1017504, 1144692, 1187088, 1335474, 1356672, 1526256, 1582784, 1780632, 2003211, 2035008, 2289384, 2374176, 2670948, 3052512, 3165568, 3561264, 4006422, 4070016, 4578768, 4748352, 5341896, 6105024, 7122528, 8012844, 9157536, 9496704, 10683792, 12210048, 14245056, 16025688, 18315072, 21367584, 28490112, 32051376, 36630144, 42735168, 64102752, 85470336, 128205504, 256411008]

約数ペア:

[(1, 256411008), (2, 128205504), (3, 85470336), (4, 64102752), (6, 42735168), (7, 36630144), (8, 32051376), (9, 28490112), (12, 21367584), (14, 18315072), (16, 16025688), (18, 14245056), (21, 12210048), (24, 10683792), (27, 9496704), (28, 9157536), (32, 8012844), (36, 7122528), (42, 6105024), (48, 5341896), (54, 4748352), (56, 4578768), (63, 4070016), (64, 4006422), (72, 3561264), (81, 3165568), (84, 3052512), (96, 2670948), (108, 2374176), (112, 2289384), (126, 2035008), (128, 2003211), (144, 1780632), (162, 1582784), (168, 1526256), (189, 1356672), (192, 1335474), (216, 1187088), (224, 1144692), (252, 1017504), (288, 890316), (324, 791392), (336, 763128), (378, 678336), (384, 667737), (432, 593544), (448, 572346), (504, 508752), (567, 452224), (576, 445158), (648, 395696), (672, 381564), (756, 339168), (864, 296772), (896, 286173), (1008, 254376), (1134, 226112), (1152, 222579), (1296, 197848), (1344, 190782), (1512, 169584), (1728, 148386), (2016, 127188), (2268, 113056), (2592, 98924), (2688, 95391), (3024, 84792), (3456, 74193), (3533, 72576), (4032, 63594), (4536, 56528), (5184, 49462), (6048, 42396), (7066, 36288), (8064, 31797), (9072, 28264), (10368, 24731), (10599, 24192), (12096, 21198), (14132, 18144)]