278985888

素因数分解:

$2^5\times 3^2\times {\mathrm{211}}^1\times {\mathrm{4591}}^1$

素因数の和:4818

約数の個数: 72

約数和(自身を含む): 797299776

約数和(自身を除く): 518313888

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 211, 288, 422, 633, 844, 1266, 1688, 1899, 2532, 3376, 3798, 4591, 5064, 6752, 7596, 9182, 10128, 13773, 15192, 18364, 20256, 27546, 30384, 36728, 41319, 55092, 60768, 73456, 82638, 110184, 146912, 165276, 220368, 330552, 440736, 661104, 968701, 1322208, 1937402, 2906103, 3874804, 5812206, 7749608, 8718309, 11624412, 15499216, 17436618, 23248824, 30998432, 34873236, 46497648, 69746472, 92995296, 139492944, 278985888]

約数ペア:

[(1, 278985888), (2, 139492944), (3, 92995296), (4, 69746472), (6, 46497648), (8, 34873236), (9, 30998432), (12, 23248824), (16, 17436618), (18, 15499216), (24, 11624412), (32, 8718309), (36, 7749608), (48, 5812206), (72, 3874804), (96, 2906103), (144, 1937402), (211, 1322208), (288, 968701), (422, 661104), (633, 440736), (844, 330552), (1266, 220368), (1688, 165276), (1899, 146912), (2532, 110184), (3376, 82638), (3798, 73456), (4591, 60768), (5064, 55092), (6752, 41319), (7596, 36728), (9182, 30384), (10128, 27546), (13773, 20256), (15192, 18364)]