31485160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{4889}}^1$

素因数の和:4930

約数の個数: 64

約数和(自身を含む): 84499200

約数和(自身を除く): 53014040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 805, 920, 1288, 1610, 3220, 4889, 6440, 9778, 19556, 24445, 34223, 39112, 48890, 68446, 97780, 112447, 136892, 171115, 195560, 224894, 273784, 342230, 449788, 562235, 684460, 787129, 899576, 1124470, 1368920, 1574258, 2248940, 3148516, 3935645, 4497880, 6297032, 7871290, 15742580, 31485160]

約数ペア:

[(1, 31485160), (2, 15742580), (4, 7871290), (5, 6297032), (7, 4497880), (8, 3935645), (10, 3148516), (14, 2248940), (20, 1574258), (23, 1368920), (28, 1124470), (35, 899576), (40, 787129), (46, 684460), (56, 562235), (70, 449788), (92, 342230), (115, 273784), (140, 224894), (161, 195560), (184, 171115), (230, 136892), (280, 112447), (322, 97780), (460, 68446), (644, 48890), (805, 39112), (920, 34223), (1288, 24445), (1610, 19556), (3220, 9778), (4889, 6440)]