1221538560

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{11}}^3\times {\mathrm{239}}^1$

素因数の和:296

約数の個数: 288

約数和(自身を含む): 4309079040

約数和(自身を除く): 3087540480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 64, 66, 80, 88, 96, 110, 120, 121, 128, 132, 160, 165, 176, 192, 220, 239, 240, 242, 256, 264, 320, 330, 352, 363, 384, 440, 478, 480, 484, 528, 605, 640, 660, 704, 717, 726, 768, 880, 956, 960, 968, 1056, 1195, 1210, 1280, 1320, 1331, 1408, 1434, 1452, 1760, 1815, 1912, 1920, 1936, 2112, 2390, 2420, 2629, 2640, 2662, 2816, 2868, 2904, 3520, 3585, 3630, 3824, 3840, 3872, 3993, 4224, 4780, 4840, 5258, 5280, 5324, 5736, 5808, 6655, 7040, 7170, 7260, 7648, 7744, 7887, 7986, 8448, 9560, 9680, 10516, 10560, 10648, 11472, 11616, 13145, 13310, 14080, 14340, 14520, 15296, 15488, 15774, 15972, 19120, 19360, 19965, 21032, 21120, 21296, 22944, 23232, 26290, 26620, 28680, 28919, 29040, 30592, 30976, 31548, 31944, 38240, 38720, 39435, 39930, 42064, 42240, 42592, 45888, 46464, 52580, 53240, 57360, 57838, 58080, 61184, 63096, 63888, 76480, 77440, 78870, 79860, 84128, 85184, 86757, 91776, 92928, 105160, 106480, 114720, 115676, 116160, 126192, 127776, 144595, 152960, 154880, 157740, 159720, 168256, 170368, 173514, 183552, 210320, 212960, 229440, 231352, 232320, 252384, 255552, 289190, 305920, 315480, 318109, 319440, 336512, 340736, 347028, 420640, 425920, 433785, 458880, 462704, 464640, 504768, 511104, 578380, 630960, 636218, 638880, 673024, 694056, 841280, 851840, 867570, 917760, 925408, 954327, 1009536, 1022208, 1156760, 1261920, 1272436, 1277760, 1388112, 1590545, 1682560, 1703680, 1735140, 1850816, 1908654, 2019072, 2313520, 2523840, 2544872, 2555520, 2776224, 3181090, 3365120, 3470280, 3701632, 3817308, 4627040, 4771635, 5047680, 5089744, 5111040, 5552448, 6362180, 6940560, 7403264, 7634616, 9254080, 9543270, 10095360, 10179488, 11104896, 12724360, 13881120, 15269232, 18508160, 19086540, 20358976, 22209792, 25448720, 27762240, 30538464, 37016320, 38173080, 40717952, 50897440, 55524480, 61076928, 76346160, 81435904, 101794880, 111048960, 122153856, 152692320, 203589760, 244307712, 305384640, 407179520, 610769280, 1221538560]

約数ペア:

[(1, 1221538560), (2, 610769280), (3, 407179520), (4, 305384640), (5, 244307712), (6, 203589760), (8, 152692320), (10, 122153856), (11, 111048960), (12, 101794880), (15, 81435904), (16, 76346160), (20, 61076928), (22, 55524480), (24, 50897440), (30, 40717952), (32, 38173080), (33, 37016320), (40, 30538464), (44, 27762240), (48, 25448720), (55, 22209792), (60, 20358976), (64, 19086540), (66, 18508160), (80, 15269232), (88, 13881120), (96, 12724360), (110, 11104896), (120, 10179488), (121, 10095360), (128, 9543270), (132, 9254080), (160, 7634616), (165, 7403264), (176, 6940560), (192, 6362180), (220, 5552448), (239, 5111040), (240, 5089744), (242, 5047680), (256, 4771635), (264, 4627040), (320, 3817308), (330, 3701632), (352, 3470280), (363, 3365120), (384, 3181090), (440, 2776224), (478, 2555520), (480, 2544872), (484, 2523840), (528, 2313520), (605, 2019072), (640, 1908654), (660, 1850816), (704, 1735140), (717, 1703680), (726, 1682560), (768, 1590545), (880, 1388112), (956, 1277760), (960, 1272436), (968, 1261920), (1056, 1156760), (1195, 1022208), (1210, 1009536), (1280, 954327), (1320, 925408), (1331, 917760), (1408, 867570), (1434, 851840), (1452, 841280), (1760, 694056), (1815, 673024), (1912, 638880), (1920, 636218), (1936, 630960), (2112, 578380), (2390, 511104), (2420, 504768), (2629, 464640), (2640, 462704), (2662, 458880), (2816, 433785), (2868, 425920), (2904, 420640), (3520, 347028), (3585, 340736), (3630, 336512), (3824, 319440), (3840, 318109), (3872, 315480), (3993, 305920), (4224, 289190), (4780, 255552), (4840, 252384), (5258, 232320), (5280, 231352), (5324, 229440), (5736, 212960), (5808, 210320), (6655, 183552), (7040, 173514), (7170, 170368), (7260, 168256), (7648, 159720), (7744, 157740), (7887, 154880), (7986, 152960), (8448, 144595), (9560, 127776), (9680, 126192), (10516, 116160), (10560, 115676), (10648, 114720), (11472, 106480), (11616, 105160), (13145, 92928), (13310, 91776), (14080, 86757), (14340, 85184), (14520, 84128), (15296, 79860), (15488, 78870), (15774, 77440), (15972, 76480), (19120, 63888), (19360, 63096), (19965, 61184), (21032, 58080), (21120, 57838), (21296, 57360), (22944, 53240), (23232, 52580), (26290, 46464), (26620, 45888), (28680, 42592), (28919, 42240), (29040, 42064), (30592, 39930), (30976, 39435), (31548, 38720), (31944, 38240)]