261357874944

素因数分解:

$2^8\times 3^1\times {\mathrm{557}}^1\times {\mathrm{610969}}^1$

素因数の和:611545

約数の個数: 72

約数和(自身を含む): 696843055440

約数和(自身を除く): 435485180496

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 256, 384, 557, 768, 1114, 1671, 2228, 3342, 4456, 6684, 8912, 13368, 17824, 26736, 35648, 53472, 71296, 106944, 142592, 213888, 427776, 610969, 1221938, 1832907, 2443876, 3665814, 4887752, 7331628, 9775504, 14663256, 19551008, 29326512, 39102016, 58653024, 78204032, 117306048, 156408064, 234612096, 340309733, 469224192, 680619466, 1020929199, 1361238932, 2041858398, 2722477864, 4083716796, 5444955728, 8167433592, 10889911456, 16334867184, 21779822912, 32669734368, 43559645824, 65339468736, 87119291648, 130678937472, 261357874944]

約数ペア:

[(1, 261357874944), (2, 130678937472), (3, 87119291648), (4, 65339468736), (6, 43559645824), (8, 32669734368), (12, 21779822912), (16, 16334867184), (24, 10889911456), (32, 8167433592), (48, 5444955728), (64, 4083716796), (96, 2722477864), (128, 2041858398), (192, 1361238932), (256, 1020929199), (384, 680619466), (557, 469224192), (768, 340309733), (1114, 234612096), (1671, 156408064), (2228, 117306048), (3342, 78204032), (4456, 58653024), (6684, 39102016), (8912, 29326512), (13368, 19551008), (17824, 14663256), (26736, 9775504), (35648, 7331628), (53472, 4887752), (71296, 3665814), (106944, 2443876), (142592, 1832907), (213888, 1221938), (427776, 610969)]