21991474080

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{199}}^1\times {\mathrm{8527}}^1$

素因数の和:8753

約数の個数: 240

約数和(自身を含む): 78010732800

約数和(自身を除く): 56019258720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 199, 216, 240, 270, 288, 324, 360, 398, 405, 432, 480, 540, 597, 648, 720, 796, 810, 864, 995, 1080, 1194, 1296, 1440, 1592, 1620, 1791, 1990, 2160, 2388, 2592, 2985, 3184, 3240, 3582, 3980, 4320, 4776, 5373, 5970, 6368, 6480, 7164, 7960, 8527, 8955, 9552, 10746, 11940, 12960, 14328, 15920, 16119, 17054, 17910, 19104, 21492, 23880, 25581, 26865, 28656, 31840, 32238, 34108, 35820, 42635, 42984, 47760, 51162, 53730, 57312, 64476, 68216, 71640, 76743, 80595, 85270, 85968, 95520, 102324, 107460, 127905, 128952, 136432, 143280, 153486, 161190, 170540, 171936, 204648, 214920, 230229, 255810, 257904, 272864, 286560, 306972, 322380, 341080, 383715, 409296, 429840, 460458, 511620, 515808, 613944, 644760, 682160, 690687, 767430, 818592, 859680, 920916, 1023240, 1151145, 1227888, 1289520, 1364320, 1381374, 1534860, 1696873, 1841832, 2046480, 2302290, 2455776, 2579040, 2762748, 3069720, 3393746, 3453435, 3683664, 4092960, 4604580, 5090619, 5525496, 6139440, 6787492, 6906870, 7367328, 8484365, 9209160, 10181238, 11050992, 12278880, 13574984, 13813740, 15271857, 16968730, 18418320, 20362476, 22101984, 25453095, 27149968, 27627480, 30543714, 33937460, 36836640, 40724952, 45815571, 50906190, 54299936, 55254960, 61087428, 67874920, 76359285, 81449904, 91631142, 101812380, 110509920, 122174856, 135749840, 137446713, 152718570, 162899808, 183262284, 203624760, 229077855, 244349712, 271499680, 274893426, 305437140, 366524568, 407249520, 458155710, 488699424, 549786852, 610874280, 687233565, 733049136, 814499040, 916311420, 1099573704, 1221748560, 1374467130, 1466098272, 1832622840, 2199147408, 2443497120, 2748934260, 3665245680, 4398294816, 5497868520, 7330491360, 10995737040, 21991474080]

約数ペア:

[(1, 21991474080), (2, 10995737040), (3, 7330491360), (4, 5497868520), (5, 4398294816), (6, 3665245680), (8, 2748934260), (9, 2443497120), (10, 2199147408), (12, 1832622840), (15, 1466098272), (16, 1374467130), (18, 1221748560), (20, 1099573704), (24, 916311420), (27, 814499040), (30, 733049136), (32, 687233565), (36, 610874280), (40, 549786852), (45, 488699424), (48, 458155710), (54, 407249520), (60, 366524568), (72, 305437140), (80, 274893426), (81, 271499680), (90, 244349712), (96, 229077855), (108, 203624760), (120, 183262284), (135, 162899808), (144, 152718570), (160, 137446713), (162, 135749840), (180, 122174856), (199, 110509920), (216, 101812380), (240, 91631142), (270, 81449904), (288, 76359285), (324, 67874920), (360, 61087428), (398, 55254960), (405, 54299936), (432, 50906190), (480, 45815571), (540, 40724952), (597, 36836640), (648, 33937460), (720, 30543714), (796, 27627480), (810, 27149968), (864, 25453095), (995, 22101984), (1080, 20362476), (1194, 18418320), (1296, 16968730), (1440, 15271857), (1592, 13813740), (1620, 13574984), (1791, 12278880), (1990, 11050992), (2160, 10181238), (2388, 9209160), (2592, 8484365), (2985, 7367328), (3184, 6906870), (3240, 6787492), (3582, 6139440), (3980, 5525496), (4320, 5090619), (4776, 4604580), (5373, 4092960), (5970, 3683664), (6368, 3453435), (6480, 3393746), (7164, 3069720), (7960, 2762748), (8527, 2579040), (8955, 2455776), (9552, 2302290), (10746, 2046480), (11940, 1841832), (12960, 1696873), (14328, 1534860), (15920, 1381374), (16119, 1364320), (17054, 1289520), (17910, 1227888), (19104, 1151145), (21492, 1023240), (23880, 920916), (25581, 859680), (26865, 818592), (28656, 767430), (31840, 690687), (32238, 682160), (34108, 644760), (35820, 613944), (42635, 515808), (42984, 511620), (47760, 460458), (51162, 429840), (53730, 409296), (57312, 383715), (64476, 341080), (68216, 322380), (71640, 306972), (76743, 286560), (80595, 272864), (85270, 257904), (85968, 255810), (95520, 230229), (102324, 214920), (107460, 204648), (127905, 171936), (128952, 170540), (136432, 161190), (143280, 153486)]