142376440

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:197

約数の個数: 128

約数和(自身を含む): 353548800

約数和(自身を除く): 211172360

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 43, 46, 59, 61, 86, 92, 115, 118, 122, 172, 184, 215, 230, 236, 244, 295, 305, 344, 430, 460, 472, 488, 590, 610, 860, 920, 989, 1180, 1220, 1357, 1403, 1720, 1978, 2360, 2440, 2537, 2623, 2714, 2806, 3599, 3956, 4945, 5074, 5246, 5428, 5612, 6785, 7015, 7198, 7912, 9890, 10148, 10492, 10856, 11224, 12685, 13115, 13570, 14030, 14396, 17995, 19780, 20296, 20984, 25370, 26230, 27140, 28060, 28792, 35990, 39560, 50740, 52460, 54280, 56120, 58351, 60329, 71980, 82777, 101480, 104920, 116702, 120658, 143960, 154757, 165554, 233404, 241316, 291755, 301645, 309514, 331108, 413885, 466808, 482632, 583510, 603290, 619028, 662216, 773785, 827770, 1167020, 1206580, 1238056, 1547570, 1655540, 2334040, 2413160, 3095140, 3311080, 3559411, 6190280, 7118822, 14237644, 17797055, 28475288, 35594110, 71188220, 142376440]

約数ペア:

[(1, 142376440), (2, 71188220), (4, 35594110), (5, 28475288), (8, 17797055), (10, 14237644), (20, 7118822), (23, 6190280), (40, 3559411), (43, 3311080), (46, 3095140), (59, 2413160), (61, 2334040), (86, 1655540), (92, 1547570), (115, 1238056), (118, 1206580), (122, 1167020), (172, 827770), (184, 773785), (215, 662216), (230, 619028), (236, 603290), (244, 583510), (295, 482632), (305, 466808), (344, 413885), (430, 331108), (460, 309514), (472, 301645), (488, 291755), (590, 241316), (610, 233404), (860, 165554), (920, 154757), (989, 143960), (1180, 120658), (1220, 116702), (1357, 104920), (1403, 101480), (1720, 82777), (1978, 71980), (2360, 60329), (2440, 58351), (2537, 56120), (2623, 54280), (2714, 52460), (2806, 50740), (3599, 39560), (3956, 35990), (4945, 28792), (5074, 28060), (5246, 27140), (5428, 26230), (5612, 25370), (6785, 20984), (7015, 20296), (7198, 19780), (7912, 17995), (9890, 14396), (10148, 14030), (10492, 13570), (10856, 13115), (11224, 12685)]