83191880

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1$

素因数の和:231

約数の個数: 128

約数和(自身を含む): 214617600

約数和(自身を除く): 131425720

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 34, 38, 40, 47, 68, 76, 85, 94, 95, 136, 137, 152, 170, 188, 190, 235, 274, 323, 340, 376, 380, 470, 548, 646, 680, 685, 760, 799, 893, 940, 1096, 1292, 1370, 1598, 1615, 1786, 1880, 2329, 2584, 2603, 2740, 3196, 3230, 3572, 3995, 4465, 4658, 5206, 5480, 6392, 6439, 6460, 7144, 7990, 8930, 9316, 10412, 11645, 12878, 12920, 13015, 15181, 15980, 17860, 18632, 20824, 23290, 25756, 26030, 30362, 31960, 32195, 35720, 44251, 46580, 51512, 52060, 60724, 64390, 75905, 88502, 93160, 104120, 109463, 121448, 122341, 128780, 151810, 177004, 218926, 221255, 244682, 257560, 303620, 354008, 437852, 442510, 489364, 547315, 607240, 611705, 875704, 885020, 978728, 1094630, 1223410, 1770040, 2079797, 2189260, 2446820, 4159594, 4378520, 4893640, 8319188, 10398985, 16638376, 20797970, 41595940, 83191880]

約数ペア:

[(1, 83191880), (2, 41595940), (4, 20797970), (5, 16638376), (8, 10398985), (10, 8319188), (17, 4893640), (19, 4378520), (20, 4159594), (34, 2446820), (38, 2189260), (40, 2079797), (47, 1770040), (68, 1223410), (76, 1094630), (85, 978728), (94, 885020), (95, 875704), (136, 611705), (137, 607240), (152, 547315), (170, 489364), (188, 442510), (190, 437852), (235, 354008), (274, 303620), (323, 257560), (340, 244682), (376, 221255), (380, 218926), (470, 177004), (548, 151810), (646, 128780), (680, 122341), (685, 121448), (760, 109463), (799, 104120), (893, 93160), (940, 88502), (1096, 75905), (1292, 64390), (1370, 60724), (1598, 52060), (1615, 51512), (1786, 46580), (1880, 44251), (2329, 35720), (2584, 32195), (2603, 31960), (2740, 30362), (3196, 26030), (3230, 25756), (3572, 23290), (3995, 20824), (4465, 18632), (4658, 17860), (5206, 15980), (5480, 15181), (6392, 13015), (6439, 12920), (6460, 12878), (7144, 11645), (7990, 10412), (8930, 9316)]