127921640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1013}}^1$

素因数の和:1083

約数の個数: 128

約数和(自身を含む): 367960320

約数和(自身を除く): 240038680

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 41, 44, 55, 56, 70, 77, 82, 88, 110, 140, 154, 164, 205, 220, 280, 287, 308, 328, 385, 410, 440, 451, 574, 616, 770, 820, 902, 1013, 1148, 1435, 1540, 1640, 1804, 2026, 2255, 2296, 2870, 3080, 3157, 3608, 4052, 4510, 5065, 5740, 6314, 7091, 8104, 9020, 10130, 11143, 11480, 12628, 14182, 15785, 18040, 20260, 22286, 25256, 28364, 31570, 35455, 40520, 41533, 44572, 55715, 56728, 63140, 70910, 78001, 83066, 89144, 111430, 126280, 141820, 156002, 166132, 207665, 222860, 283640, 290731, 312004, 332264, 390005, 415330, 445720, 456863, 581462, 624008, 780010, 830660, 913726, 1162924, 1453655, 1560020, 1661320, 1827452, 2284315, 2325848, 2907310, 3120040, 3198041, 3654904, 4568630, 5814620, 6396082, 9137260, 11629240, 12792164, 15990205, 18274520, 25584328, 31980410, 63960820, 127921640]

約数ペア:

[(1, 127921640), (2, 63960820), (4, 31980410), (5, 25584328), (7, 18274520), (8, 15990205), (10, 12792164), (11, 11629240), (14, 9137260), (20, 6396082), (22, 5814620), (28, 4568630), (35, 3654904), (40, 3198041), (41, 3120040), (44, 2907310), (55, 2325848), (56, 2284315), (70, 1827452), (77, 1661320), (82, 1560020), (88, 1453655), (110, 1162924), (140, 913726), (154, 830660), (164, 780010), (205, 624008), (220, 581462), (280, 456863), (287, 445720), (308, 415330), (328, 390005), (385, 332264), (410, 312004), (440, 290731), (451, 283640), (574, 222860), (616, 207665), (770, 166132), (820, 156002), (902, 141820), (1013, 126280), (1148, 111430), (1435, 89144), (1540, 83066), (1640, 78001), (1804, 70910), (2026, 63140), (2255, 56728), (2296, 55715), (2870, 44572), (3080, 41533), (3157, 40520), (3608, 35455), (4052, 31570), (4510, 28364), (5065, 25256), (5740, 22286), (6314, 20260), (7091, 18040), (8104, 15785), (9020, 14182), (10130, 12628), (11143, 11480)]