640885248

素因数分解:

$2^9\times 3^2\times {\mathrm{23}}^1\times {\mathrm{6047}}^1$

素因数の和:6094

約数の個数: 120

約数和(自身を含む): 1930376448

約数和(自身を除く): 1289491200

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 32, 36, 46, 48, 64, 69, 72, 92, 96, 128, 138, 144, 184, 192, 207, 256, 276, 288, 368, 384, 414, 512, 552, 576, 736, 768, 828, 1104, 1152, 1472, 1536, 1656, 2208, 2304, 2944, 3312, 4416, 4608, 5888, 6047, 6624, 8832, 11776, 12094, 13248, 17664, 18141, 24188, 26496, 35328, 36282, 48376, 52992, 54423, 72564, 96752, 105984, 108846, 139081, 145128, 193504, 217692, 278162, 290256, 387008, 417243, 435384, 556324, 580512, 774016, 834486, 870768, 1112648, 1161024, 1251729, 1548032, 1668972, 1741536, 2225296, 2322048, 2503458, 3096064, 3337944, 3483072, 4450592, 4644096, 5006916, 6675888, 6966144, 8901184, 9288192, 10013832, 13351776, 13932288, 17802368, 20027664, 26703552, 27864576, 35604736, 40055328, 53407104, 71209472, 80110656, 106814208, 160221312, 213628416, 320442624, 640885248]

約数ペア:

[(1, 640885248), (2, 320442624), (3, 213628416), (4, 160221312), (6, 106814208), (8, 80110656), (9, 71209472), (12, 53407104), (16, 40055328), (18, 35604736), (23, 27864576), (24, 26703552), (32, 20027664), (36, 17802368), (46, 13932288), (48, 13351776), (64, 10013832), (69, 9288192), (72, 8901184), (92, 6966144), (96, 6675888), (128, 5006916), (138, 4644096), (144, 4450592), (184, 3483072), (192, 3337944), (207, 3096064), (256, 2503458), (276, 2322048), (288, 2225296), (368, 1741536), (384, 1668972), (414, 1548032), (512, 1251729), (552, 1161024), (576, 1112648), (736, 870768), (768, 834486), (828, 774016), (1104, 580512), (1152, 556324), (1472, 435384), (1536, 417243), (1656, 387008), (2208, 290256), (2304, 278162), (2944, 217692), (3312, 193504), (4416, 145128), (4608, 139081), (5888, 108846), (6047, 105984), (6624, 96752), (8832, 72564), (11776, 54423), (12094, 52992), (13248, 48376), (17664, 36282), (18141, 35328), (24188, 26496)]