71720880

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{3881}}^1$

素因数の和:3915

約数の個数: 160

約数和(自身を含む): 277267968

約数和(自身を除く): 205547088

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 48, 55, 56, 60, 66, 70, 77, 80, 84, 88, 105, 110, 112, 120, 132, 140, 154, 165, 168, 176, 210, 220, 231, 240, 264, 280, 308, 330, 336, 385, 420, 440, 462, 528, 560, 616, 660, 770, 840, 880, 924, 1155, 1232, 1320, 1540, 1680, 1848, 2310, 2640, 3080, 3696, 3881, 4620, 6160, 7762, 9240, 11643, 15524, 18480, 19405, 23286, 27167, 31048, 38810, 42691, 46572, 54334, 58215, 62096, 77620, 81501, 85382, 93144, 108668, 116430, 128073, 135835, 155240, 163002, 170764, 186288, 213455, 217336, 232860, 256146, 271670, 298837, 310480, 326004, 341528, 407505, 426910, 434672, 465720, 512292, 543340, 597674, 640365, 652008, 683056, 815010, 853820, 896511, 931440, 1024584, 1086680, 1195348, 1280730, 1304016, 1494185, 1630020, 1707640, 1793022, 2049168, 2173360, 2390696, 2561460, 2988370, 3260040, 3415280, 3586044, 4482555, 4781392, 5122920, 5976740, 6520080, 7172088, 8965110, 10245840, 11953480, 14344176, 17930220, 23906960, 35860440, 71720880]

約数ペア:

[(1, 71720880), (2, 35860440), (3, 23906960), (4, 17930220), (5, 14344176), (6, 11953480), (7, 10245840), (8, 8965110), (10, 7172088), (11, 6520080), (12, 5976740), (14, 5122920), (15, 4781392), (16, 4482555), (20, 3586044), (21, 3415280), (22, 3260040), (24, 2988370), (28, 2561460), (30, 2390696), (33, 2173360), (35, 2049168), (40, 1793022), (42, 1707640), (44, 1630020), (48, 1494185), (55, 1304016), (56, 1280730), (60, 1195348), (66, 1086680), (70, 1024584), (77, 931440), (80, 896511), (84, 853820), (88, 815010), (105, 683056), (110, 652008), (112, 640365), (120, 597674), (132, 543340), (140, 512292), (154, 465720), (165, 434672), (168, 426910), (176, 407505), (210, 341528), (220, 326004), (231, 310480), (240, 298837), (264, 271670), (280, 256146), (308, 232860), (330, 217336), (336, 213455), (385, 186288), (420, 170764), (440, 163002), (462, 155240), (528, 135835), (560, 128073), (616, 116430), (660, 108668), (770, 93144), (840, 85382), (880, 81501), (924, 77620), (1155, 62096), (1232, 58215), (1320, 54334), (1540, 46572), (1680, 42691), (1848, 38810), (2310, 31048), (2640, 27167), (3080, 23286), (3696, 19405), (3881, 18480), (4620, 15524), (6160, 11643), (7762, 9240)]