127808520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2143}}^1$

素因数の和:2235

約数の個数: 128

約数和(自身を含む): 444579840

約数和(自身を除く): 316771320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 71, 84, 105, 120, 140, 142, 168, 210, 213, 280, 284, 355, 420, 426, 497, 568, 710, 840, 852, 994, 1065, 1420, 1491, 1704, 1988, 2130, 2143, 2485, 2840, 2982, 3976, 4260, 4286, 4970, 5964, 6429, 7455, 8520, 8572, 9940, 10715, 11928, 12858, 14910, 15001, 17144, 19880, 21430, 25716, 29820, 30002, 32145, 42860, 45003, 51432, 59640, 60004, 64290, 75005, 85720, 90006, 120008, 128580, 150010, 152153, 180012, 225015, 257160, 300020, 304306, 360024, 450030, 456459, 600040, 608612, 760765, 900060, 912918, 1065071, 1217224, 1521530, 1800120, 1825836, 2130142, 2282295, 3043060, 3195213, 3651672, 4260284, 4564590, 5325355, 6086120, 6390426, 8520568, 9129180, 10650710, 12780852, 15976065, 18258360, 21301420, 25561704, 31952130, 42602840, 63904260, 127808520]

約数ペア:

[(1, 127808520), (2, 63904260), (3, 42602840), (4, 31952130), (5, 25561704), (6, 21301420), (7, 18258360), (8, 15976065), (10, 12780852), (12, 10650710), (14, 9129180), (15, 8520568), (20, 6390426), (21, 6086120), (24, 5325355), (28, 4564590), (30, 4260284), (35, 3651672), (40, 3195213), (42, 3043060), (56, 2282295), (60, 2130142), (70, 1825836), (71, 1800120), (84, 1521530), (105, 1217224), (120, 1065071), (140, 912918), (142, 900060), (168, 760765), (210, 608612), (213, 600040), (280, 456459), (284, 450030), (355, 360024), (420, 304306), (426, 300020), (497, 257160), (568, 225015), (710, 180012), (840, 152153), (852, 150010), (994, 128580), (1065, 120008), (1420, 90006), (1491, 85720), (1704, 75005), (1988, 64290), (2130, 60004), (2143, 59640), (2485, 51432), (2840, 45003), (2982, 42860), (3976, 32145), (4260, 30002), (4286, 29820), (4970, 25716), (5964, 21430), (6429, 19880), (7455, 17144), (8520, 15001), (8572, 14910), (9940, 12858), (10715, 11928)]