311609520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{607}}^1$

素因数の和:680

約数の個数: 240

約数和(自身を含む): 1129070592

約数和(自身を除く): 817461072

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 31, 36, 40, 45, 46, 48, 60, 62, 69, 72, 80, 90, 92, 93, 115, 120, 124, 138, 144, 155, 180, 184, 186, 207, 230, 240, 248, 276, 279, 310, 345, 360, 368, 372, 414, 460, 465, 496, 552, 558, 607, 620, 690, 713, 720, 744, 828, 920, 930, 1035, 1104, 1116, 1214, 1240, 1380, 1395, 1426, 1488, 1656, 1821, 1840, 1860, 2070, 2139, 2232, 2428, 2480, 2760, 2790, 2852, 3035, 3312, 3565, 3642, 3720, 4140, 4278, 4464, 4856, 5463, 5520, 5580, 5704, 6070, 6417, 7130, 7284, 7440, 8280, 8556, 9105, 9712, 10695, 10926, 11160, 11408, 12140, 12834, 13961, 14260, 14568, 16560, 17112, 18210, 18817, 21390, 21852, 22320, 24280, 25668, 27315, 27922, 28520, 29136, 32085, 34224, 36420, 37634, 41883, 42780, 43704, 48560, 51336, 54630, 55844, 56451, 57040, 64170, 69805, 72840, 75268, 83766, 85560, 87408, 94085, 102672, 109260, 111688, 112902, 125649, 128340, 139610, 145680, 150536, 167532, 169353, 171120, 188170, 209415, 218520, 223376, 225804, 251298, 256680, 279220, 282255, 301072, 335064, 338706, 376340, 418830, 432791, 437040, 451608, 502596, 513360, 558440, 564510, 628245, 670128, 677412, 752680, 837660, 846765, 865582, 903216, 1005192, 1116880, 1129020, 1256490, 1298373, 1354824, 1505360, 1675320, 1693530, 1731164, 2010384, 2163955, 2258040, 2512980, 2596746, 2709648, 3350640, 3387060, 3462328, 3895119, 4327910, 4516080, 5025960, 5193492, 6491865, 6774120, 6924656, 7790238, 8655820, 10051920, 10386984, 12983730, 13548240, 15580476, 17311640, 19475595, 20773968, 25967460, 31160952, 34623280, 38951190, 51934920, 62321904, 77902380, 103869840, 155804760, 311609520]

約数ペア:

[(1, 311609520), (2, 155804760), (3, 103869840), (4, 77902380), (5, 62321904), (6, 51934920), (8, 38951190), (9, 34623280), (10, 31160952), (12, 25967460), (15, 20773968), (16, 19475595), (18, 17311640), (20, 15580476), (23, 13548240), (24, 12983730), (30, 10386984), (31, 10051920), (36, 8655820), (40, 7790238), (45, 6924656), (46, 6774120), (48, 6491865), (60, 5193492), (62, 5025960), (69, 4516080), (72, 4327910), (80, 3895119), (90, 3462328), (92, 3387060), (93, 3350640), (115, 2709648), (120, 2596746), (124, 2512980), (138, 2258040), (144, 2163955), (155, 2010384), (180, 1731164), (184, 1693530), (186, 1675320), (207, 1505360), (230, 1354824), (240, 1298373), (248, 1256490), (276, 1129020), (279, 1116880), (310, 1005192), (345, 903216), (360, 865582), (368, 846765), (372, 837660), (414, 752680), (460, 677412), (465, 670128), (496, 628245), (552, 564510), (558, 558440), (607, 513360), (620, 502596), (690, 451608), (713, 437040), (720, 432791), (744, 418830), (828, 376340), (920, 338706), (930, 335064), (1035, 301072), (1104, 282255), (1116, 279220), (1214, 256680), (1240, 251298), (1380, 225804), (1395, 223376), (1426, 218520), (1488, 209415), (1656, 188170), (1821, 171120), (1840, 169353), (1860, 167532), (2070, 150536), (2139, 145680), (2232, 139610), (2428, 128340), (2480, 125649), (2760, 112902), (2790, 111688), (2852, 109260), (3035, 102672), (3312, 94085), (3565, 87408), (3642, 85560), (3720, 83766), (4140, 75268), (4278, 72840), (4464, 69805), (4856, 64170), (5463, 57040), (5520, 56451), (5580, 55844), (5704, 54630), (6070, 51336), (6417, 48560), (7130, 43704), (7284, 42780), (7440, 41883), (8280, 37634), (8556, 36420), (9105, 34224), (9712, 32085), (10695, 29136), (10926, 28520), (11160, 27922), (11408, 27315), (12140, 25668), (12834, 24280), (13961, 22320), (14260, 21852), (14568, 21390), (16560, 18817), (17112, 18210)]