991990080

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{271}}^1$

素因数の和:366

約数の個数: 336

約数和(自身を含む): 3621316608

約数和(自身を除く): 2629326528

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 32, 36, 40, 41, 45, 48, 60, 62, 64, 72, 80, 82, 90, 93, 96, 120, 123, 124, 144, 155, 160, 164, 180, 186, 192, 205, 240, 246, 248, 271, 279, 288, 310, 320, 328, 360, 369, 372, 410, 465, 480, 492, 496, 542, 558, 576, 615, 620, 656, 720, 738, 744, 813, 820, 930, 960, 984, 992, 1084, 1116, 1230, 1240, 1271, 1312, 1355, 1395, 1440, 1476, 1488, 1626, 1640, 1845, 1860, 1968, 1984, 2168, 2232, 2439, 2460, 2480, 2542, 2624, 2710, 2790, 2880, 2952, 2976, 3252, 3280, 3690, 3720, 3813, 3936, 4065, 4336, 4464, 4878, 4920, 4960, 5084, 5420, 5580, 5904, 5952, 6355, 6504, 6560, 7380, 7440, 7626, 7872, 8130, 8401, 8672, 8928, 9756, 9840, 9920, 10168, 10840, 11111, 11160, 11439, 11808, 12195, 12710, 13008, 13120, 14760, 14880, 15252, 16260, 16802, 17344, 17856, 19065, 19512, 19680, 20336, 21680, 22222, 22320, 22878, 23616, 24390, 25203, 25420, 26016, 29520, 29760, 30504, 32520, 33333, 33604, 38130, 39024, 39360, 40672, 42005, 43360, 44444, 44640, 45756, 48780, 50406, 50840, 52032, 55555, 57195, 59040, 61008, 65040, 66666, 67208, 75609, 76260, 78048, 81344, 84010, 86720, 88888, 89280, 91512, 97560, 99999, 100812, 101680, 111110, 114390, 118080, 122016, 126015, 130080, 133332, 134416, 151218, 152520, 156096, 166665, 168020, 177776, 183024, 195120, 199998, 201624, 203360, 222220, 228780, 244032, 252030, 260160, 266664, 268832, 302436, 305040, 333330, 336040, 344441, 355552, 366048, 378045, 390240, 399996, 403248, 406720, 444440, 457560, 499995, 504060, 533328, 537664, 604872, 610080, 666660, 672080, 688882, 711104, 732096, 756090, 780480, 799992, 806496, 888880, 915120, 999990, 1008120, 1033323, 1066656, 1209744, 1220160, 1333320, 1344160, 1377764, 1512180, 1599984, 1612992, 1722205, 1777760, 1830240, 1999980, 2016240, 2066646, 2133312, 2419488, 2666640, 2688320, 2755528, 3024360, 3099969, 3199968, 3444410, 3555520, 3660480, 3999960, 4032480, 4133292, 4838976, 5166615, 5333280, 5511056, 6048720, 6199938, 6399936, 6888820, 7999920, 8064960, 8266584, 10333230, 10666560, 11022112, 12097440, 12399876, 13777640, 15499845, 15999840, 16533168, 20666460, 22044224, 24194880, 24799752, 27555280, 30999690, 31999680, 33066336, 41332920, 49599504, 55110560, 61999380, 66132672, 82665840, 99199008, 110221120, 123998760, 165331680, 198398016, 247997520, 330663360, 495995040, 991990080]

約数ペア:

[(1, 991990080), (2, 495995040), (3, 330663360), (4, 247997520), (5, 198398016), (6, 165331680), (8, 123998760), (9, 110221120), (10, 99199008), (12, 82665840), (15, 66132672), (16, 61999380), (18, 55110560), (20, 49599504), (24, 41332920), (30, 33066336), (31, 31999680), (32, 30999690), (36, 27555280), (40, 24799752), (41, 24194880), (45, 22044224), (48, 20666460), (60, 16533168), (62, 15999840), (64, 15499845), (72, 13777640), (80, 12399876), (82, 12097440), (90, 11022112), (93, 10666560), (96, 10333230), (120, 8266584), (123, 8064960), (124, 7999920), (144, 6888820), (155, 6399936), (160, 6199938), (164, 6048720), (180, 5511056), (186, 5333280), (192, 5166615), (205, 4838976), (240, 4133292), (246, 4032480), (248, 3999960), (271, 3660480), (279, 3555520), (288, 3444410), (310, 3199968), (320, 3099969), (328, 3024360), (360, 2755528), (369, 2688320), (372, 2666640), (410, 2419488), (465, 2133312), (480, 2066646), (492, 2016240), (496, 1999980), (542, 1830240), (558, 1777760), (576, 1722205), (615, 1612992), (620, 1599984), (656, 1512180), (720, 1377764), (738, 1344160), (744, 1333320), (813, 1220160), (820, 1209744), (930, 1066656), (960, 1033323), (984, 1008120), (992, 999990), (1084, 915120), (1116, 888880), (1230, 806496), (1240, 799992), (1271, 780480), (1312, 756090), (1355, 732096), (1395, 711104), (1440, 688882), (1476, 672080), (1488, 666660), (1626, 610080), (1640, 604872), (1845, 537664), (1860, 533328), (1968, 504060), (1984, 499995), (2168, 457560), (2232, 444440), (2439, 406720), (2460, 403248), (2480, 399996), (2542, 390240), (2624, 378045), (2710, 366048), (2790, 355552), (2880, 344441), (2952, 336040), (2976, 333330), (3252, 305040), (3280, 302436), (3690, 268832), (3720, 266664), (3813, 260160), (3936, 252030), (4065, 244032), (4336, 228780), (4464, 222220), (4878, 203360), (4920, 201624), (4960, 199998), (5084, 195120), (5420, 183024), (5580, 177776), (5904, 168020), (5952, 166665), (6355, 156096), (6504, 152520), (6560, 151218), (7380, 134416), (7440, 133332), (7626, 130080), (7872, 126015), (8130, 122016), (8401, 118080), (8672, 114390), (8928, 111110), (9756, 101680), (9840, 100812), (9920, 99999), (10168, 97560), (10840, 91512), (11111, 89280), (11160, 88888), (11439, 86720), (11808, 84010), (12195, 81344), (12710, 78048), (13008, 76260), (13120, 75609), (14760, 67208), (14880, 66666), (15252, 65040), (16260, 61008), (16802, 59040), (17344, 57195), (17856, 55555), (19065, 52032), (19512, 50840), (19680, 50406), (20336, 48780), (21680, 45756), (22222, 44640), (22320, 44444), (22878, 43360), (23616, 42005), (24390, 40672), (25203, 39360), (25420, 39024), (26016, 38130), (29520, 33604), (29760, 33333), (30504, 32520)]