920920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1$

素因数の和:65

約数の個数: 128

約数和(自身を含む): 2903040

約数和(自身を除く): 1982120

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 20, 22, 23, 26, 28, 35, 40, 44, 46, 52, 55, 56, 65, 70, 77, 88, 91, 92, 104, 110, 115, 130, 140, 143, 154, 161, 182, 184, 220, 230, 253, 260, 280, 286, 299, 308, 322, 364, 385, 440, 455, 460, 506, 520, 572, 598, 616, 644, 715, 728, 770, 805, 910, 920, 1001, 1012, 1144, 1196, 1265, 1288, 1430, 1495, 1540, 1610, 1771, 1820, 2002, 2024, 2093, 2392, 2530, 2860, 2990, 3080, 3220, 3289, 3542, 3640, 4004, 4186, 5005, 5060, 5720, 5980, 6440, 6578, 7084, 8008, 8372, 8855, 10010, 10120, 10465, 11960, 13156, 14168, 16445, 16744, 17710, 20020, 20930, 23023, 26312, 32890, 35420, 40040, 41860, 46046, 65780, 70840, 83720, 92092, 115115, 131560, 184184, 230230, 460460, 920920]

約数ペア:

[(1, 920920), (2, 460460), (4, 230230), (5, 184184), (7, 131560), (8, 115115), (10, 92092), (11, 83720), (13, 70840), (14, 65780), (20, 46046), (22, 41860), (23, 40040), (26, 35420), (28, 32890), (35, 26312), (40, 23023), (44, 20930), (46, 20020), (52, 17710), (55, 16744), (56, 16445), (65, 14168), (70, 13156), (77, 11960), (88, 10465), (91, 10120), (92, 10010), (104, 8855), (110, 8372), (115, 8008), (130, 7084), (140, 6578), (143, 6440), (154, 5980), (161, 5720), (182, 5060), (184, 5005), (220, 4186), (230, 4004), (253, 3640), (260, 3542), (280, 3289), (286, 3220), (299, 3080), (308, 2990), (322, 2860), (364, 2530), (385, 2392), (440, 2093), (455, 2024), (460, 2002), (506, 1820), (520, 1771), (572, 1610), (598, 1540), (616, 1495), (644, 1430), (715, 1288), (728, 1265), (770, 1196), (805, 1144), (910, 1012), (920, 1001)]