123911920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{7411}}^1$

素因数の和:7454

約数の個数: 80

約数和(自身を含む): 330871680

約数和(自身を除く): 206959760

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 38, 40, 44, 55, 76, 80, 88, 95, 110, 152, 176, 190, 209, 220, 304, 380, 418, 440, 760, 836, 880, 1045, 1520, 1672, 2090, 3344, 4180, 7411, 8360, 14822, 16720, 29644, 37055, 59288, 74110, 81521, 118576, 140809, 148220, 163042, 281618, 296440, 326084, 407605, 563236, 592880, 652168, 704045, 815210, 1126472, 1304336, 1408090, 1548899, 1630420, 2252944, 2816180, 3097798, 3260840, 5632360, 6195596, 6521680, 7744495, 11264720, 12391192, 15488990, 24782384, 30977980, 61955960, 123911920]

約数ペア:

[(1, 123911920), (2, 61955960), (4, 30977980), (5, 24782384), (8, 15488990), (10, 12391192), (11, 11264720), (16, 7744495), (19, 6521680), (20, 6195596), (22, 5632360), (38, 3260840), (40, 3097798), (44, 2816180), (55, 2252944), (76, 1630420), (80, 1548899), (88, 1408090), (95, 1304336), (110, 1126472), (152, 815210), (176, 704045), (190, 652168), (209, 592880), (220, 563236), (304, 407605), (380, 326084), (418, 296440), (440, 281618), (760, 163042), (836, 148220), (880, 140809), (1045, 118576), (1520, 81521), (1672, 74110), (2090, 59288), (3344, 37055), (4180, 29644), (7411, 16720), (8360, 14822)]