82161520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{6379}}^1$

素因数の和:6422

約数の個数: 80

約数和(自身を含む): 227842560

約数和(自身を除く): 145681040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 161, 184, 230, 280, 322, 368, 460, 560, 644, 805, 920, 1288, 1610, 1840, 2576, 3220, 6379, 6440, 12758, 12880, 25516, 31895, 44653, 51032, 63790, 89306, 102064, 127580, 146717, 178612, 223265, 255160, 293434, 357224, 446530, 510320, 586868, 714448, 733585, 893060, 1027019, 1173736, 1467170, 1786120, 2054038, 2347472, 2934340, 3572240, 4108076, 5135095, 5868680, 8216152, 10270190, 11737360, 16432304, 20540380, 41080760, 82161520]

約数ペア:

[(1, 82161520), (2, 41080760), (4, 20540380), (5, 16432304), (7, 11737360), (8, 10270190), (10, 8216152), (14, 5868680), (16, 5135095), (20, 4108076), (23, 3572240), (28, 2934340), (35, 2347472), (40, 2054038), (46, 1786120), (56, 1467170), (70, 1173736), (80, 1027019), (92, 893060), (112, 733585), (115, 714448), (140, 586868), (161, 510320), (184, 446530), (230, 357224), (280, 293434), (322, 255160), (368, 223265), (460, 178612), (560, 146717), (644, 127580), (805, 102064), (920, 89306), (1288, 63790), (1610, 51032), (1840, 44653), (2576, 31895), (3220, 25516), (6379, 12880), (6440, 12758)]