31403520

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1$

素因数の和:105

約数の個数: 240

約数和(自身を含む): 114903360

約数和(自身を除く): 83499840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 29, 30, 32, 36, 40, 45, 47, 48, 58, 60, 64, 72, 80, 87, 90, 94, 96, 116, 120, 128, 141, 144, 145, 160, 174, 180, 188, 192, 232, 235, 240, 256, 261, 282, 288, 290, 320, 348, 360, 376, 384, 423, 435, 464, 470, 480, 512, 522, 564, 576, 580, 640, 696, 705, 720, 752, 768, 846, 870, 928, 940, 960, 1044, 1128, 1152, 1160, 1280, 1305, 1363, 1392, 1410, 1440, 1504, 1536, 1692, 1740, 1856, 1880, 1920, 2088, 2115, 2256, 2304, 2320, 2560, 2610, 2726, 2784, 2820, 2880, 3008, 3384, 3480, 3712, 3760, 3840, 4089, 4176, 4230, 4512, 4608, 4640, 5220, 5452, 5568, 5640, 5760, 6016, 6768, 6815, 6960, 7424, 7520, 7680, 8178, 8352, 8460, 9024, 9280, 10440, 10904, 11136, 11280, 11520, 12032, 12267, 13536, 13630, 13920, 14848, 15040, 16356, 16704, 16920, 18048, 18560, 20445, 20880, 21808, 22272, 22560, 23040, 24064, 24534, 27072, 27260, 27840, 30080, 32712, 33408, 33840, 36096, 37120, 40890, 41760, 43616, 44544, 45120, 49068, 54144, 54520, 55680, 60160, 61335, 65424, 66816, 67680, 72192, 74240, 81780, 83520, 87232, 90240, 98136, 108288, 109040, 111360, 120320, 122670, 130848, 133632, 135360, 163560, 167040, 174464, 180480, 196272, 216576, 218080, 222720, 245340, 261696, 270720, 327120, 334080, 348928, 360960, 392544, 436160, 490680, 523392, 541440, 654240, 668160, 697856, 785088, 872320, 981360, 1046784, 1082880, 1308480, 1570176, 1744640, 1962720, 2093568, 2616960, 3140352, 3489280, 3925440, 5233920, 6280704, 7850880, 10467840, 15701760, 31403520]

約数ペア:

[(1, 31403520), (2, 15701760), (3, 10467840), (4, 7850880), (5, 6280704), (6, 5233920), (8, 3925440), (9, 3489280), (10, 3140352), (12, 2616960), (15, 2093568), (16, 1962720), (18, 1744640), (20, 1570176), (24, 1308480), (29, 1082880), (30, 1046784), (32, 981360), (36, 872320), (40, 785088), (45, 697856), (47, 668160), (48, 654240), (58, 541440), (60, 523392), (64, 490680), (72, 436160), (80, 392544), (87, 360960), (90, 348928), (94, 334080), (96, 327120), (116, 270720), (120, 261696), (128, 245340), (141, 222720), (144, 218080), (145, 216576), (160, 196272), (174, 180480), (180, 174464), (188, 167040), (192, 163560), (232, 135360), (235, 133632), (240, 130848), (256, 122670), (261, 120320), (282, 111360), (288, 109040), (290, 108288), (320, 98136), (348, 90240), (360, 87232), (376, 83520), (384, 81780), (423, 74240), (435, 72192), (464, 67680), (470, 66816), (480, 65424), (512, 61335), (522, 60160), (564, 55680), (576, 54520), (580, 54144), (640, 49068), (696, 45120), (705, 44544), (720, 43616), (752, 41760), (768, 40890), (846, 37120), (870, 36096), (928, 33840), (940, 33408), (960, 32712), (1044, 30080), (1128, 27840), (1152, 27260), (1160, 27072), (1280, 24534), (1305, 24064), (1363, 23040), (1392, 22560), (1410, 22272), (1440, 21808), (1504, 20880), (1536, 20445), (1692, 18560), (1740, 18048), (1856, 16920), (1880, 16704), (1920, 16356), (2088, 15040), (2115, 14848), (2256, 13920), (2304, 13630), (2320, 13536), (2560, 12267), (2610, 12032), (2726, 11520), (2784, 11280), (2820, 11136), (2880, 10904), (3008, 10440), (3384, 9280), (3480, 9024), (3712, 8460), (3760, 8352), (3840, 8178), (4089, 7680), (4176, 7520), (4230, 7424), (4512, 6960), (4608, 6815), (4640, 6768), (5220, 6016), (5452, 5760), (5568, 5640)]