78557880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{28463}}^1$

素因数の和:28500

約数の個数: 64

約数和(自身を含む): 245928960

約数和(自身を除く): 167371080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 276, 345, 460, 552, 690, 920, 1380, 2760, 28463, 56926, 85389, 113852, 142315, 170778, 227704, 284630, 341556, 426945, 569260, 654649, 683112, 853890, 1138520, 1309298, 1707780, 1963947, 2618596, 3273245, 3415560, 3927894, 5237192, 6546490, 7855788, 9819735, 13092980, 15711576, 19639470, 26185960, 39278940, 78557880]

約数ペア:

[(1, 78557880), (2, 39278940), (3, 26185960), (4, 19639470), (5, 15711576), (6, 13092980), (8, 9819735), (10, 7855788), (12, 6546490), (15, 5237192), (20, 3927894), (23, 3415560), (24, 3273245), (30, 2618596), (40, 1963947), (46, 1707780), (60, 1309298), (69, 1138520), (92, 853890), (115, 683112), (120, 654649), (138, 569260), (184, 426945), (230, 341556), (276, 284630), (345, 227704), (460, 170778), (552, 142315), (690, 113852), (920, 85389), (1380, 56926), (2760, 28463)]