18789715960

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{195157}}^1$

素因数の和:195280

約数の個数: 64

約数和(自身を含む): 44261834400

約数和(自身を除く): 25472118440

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 83, 116, 145, 166, 232, 290, 332, 415, 580, 664, 830, 1160, 1660, 2407, 3320, 4814, 9628, 12035, 19256, 24070, 48140, 96280, 195157, 390314, 780628, 975785, 1561256, 1951570, 3903140, 5659553, 7806280, 11319106, 16198031, 22638212, 28297765, 32396062, 45276424, 56595530, 64792124, 80990155, 113191060, 129584248, 161980310, 226382120, 323960620, 469742899, 647921240, 939485798, 1878971596, 2348714495, 3757943192, 4697428990, 9394857980, 18789715960]

約数ペア:

[(1, 18789715960), (2, 9394857980), (4, 4697428990), (5, 3757943192), (8, 2348714495), (10, 1878971596), (20, 939485798), (29, 647921240), (40, 469742899), (58, 323960620), (83, 226382120), (116, 161980310), (145, 129584248), (166, 113191060), (232, 80990155), (290, 64792124), (332, 56595530), (415, 45276424), (580, 32396062), (664, 28297765), (830, 22638212), (1160, 16198031), (1660, 11319106), (2407, 7806280), (3320, 5659553), (4814, 3903140), (9628, 1951570), (12035, 1561256), (19256, 975785), (24070, 780628), (48140, 390314), (96280, 195157)]