648371520

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{743}}^1$

素因数の和:870

約数の個数: 224

約数和(自身を含む): 2313066240

約数和(自身を除く): 1664694720

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, 64, 72, 80, 90, 96, 101, 108, 120, 135, 144, 160, 180, 192, 202, 216, 240, 270, 288, 303, 320, 360, 404, 432, 480, 505, 540, 576, 606, 720, 743, 808, 864, 909, 960, 1010, 1080, 1212, 1440, 1486, 1515, 1616, 1728, 1818, 2020, 2160, 2229, 2424, 2727, 2880, 2972, 3030, 3232, 3636, 3715, 4040, 4320, 4458, 4545, 4848, 5454, 5944, 6060, 6464, 6687, 7272, 7430, 8080, 8640, 8916, 9090, 9696, 10908, 11145, 11888, 12120, 13374, 13635, 14544, 14860, 16160, 17832, 18180, 19392, 20061, 21816, 22290, 23776, 24240, 26748, 27270, 29088, 29720, 32320, 33435, 35664, 36360, 40122, 43632, 44580, 47552, 48480, 53496, 54540, 58176, 59440, 66870, 71328, 72720, 75043, 80244, 87264, 89160, 96960, 100305, 106992, 109080, 118880, 133740, 142656, 145440, 150086, 160488, 174528, 178320, 200610, 213984, 218160, 225129, 237760, 267480, 290880, 300172, 320976, 356640, 375215, 401220, 427968, 436320, 450258, 534960, 600344, 641952, 675387, 713280, 750430, 802440, 872640, 900516, 1069920, 1125645, 1200688, 1283904, 1350774, 1500860, 1604880, 1801032, 2026161, 2139840, 2251290, 2401376, 2701548, 3001720, 3209760, 3376935, 3602064, 4052322, 4502580, 4802752, 5403096, 6003440, 6419520, 6753870, 7204128, 8104644, 9005160, 10130805, 10806192, 12006880, 13507740, 14408256, 16209288, 18010320, 20261610, 21612384, 24013760, 27015480, 32418576, 36020640, 40523220, 43224768, 54030960, 64837152, 72041280, 81046440, 108061920, 129674304, 162092880, 216123840, 324185760, 648371520]

約数ペア:

[(1, 648371520), (2, 324185760), (3, 216123840), (4, 162092880), (5, 129674304), (6, 108061920), (8, 81046440), (9, 72041280), (10, 64837152), (12, 54030960), (15, 43224768), (16, 40523220), (18, 36020640), (20, 32418576), (24, 27015480), (27, 24013760), (30, 21612384), (32, 20261610), (36, 18010320), (40, 16209288), (45, 14408256), (48, 13507740), (54, 12006880), (60, 10806192), (64, 10130805), (72, 9005160), (80, 8104644), (90, 7204128), (96, 6753870), (101, 6419520), (108, 6003440), (120, 5403096), (135, 4802752), (144, 4502580), (160, 4052322), (180, 3602064), (192, 3376935), (202, 3209760), (216, 3001720), (240, 2701548), (270, 2401376), (288, 2251290), (303, 2139840), (320, 2026161), (360, 1801032), (404, 1604880), (432, 1500860), (480, 1350774), (505, 1283904), (540, 1200688), (576, 1125645), (606, 1069920), (720, 900516), (743, 872640), (808, 802440), (864, 750430), (909, 713280), (960, 675387), (1010, 641952), (1080, 600344), (1212, 534960), (1440, 450258), (1486, 436320), (1515, 427968), (1616, 401220), (1728, 375215), (1818, 356640), (2020, 320976), (2160, 300172), (2229, 290880), (2424, 267480), (2727, 237760), (2880, 225129), (2972, 218160), (3030, 213984), (3232, 200610), (3636, 178320), (3715, 174528), (4040, 160488), (4320, 150086), (4458, 145440), (4545, 142656), (4848, 133740), (5454, 118880), (5944, 109080), (6060, 106992), (6464, 100305), (6687, 96960), (7272, 89160), (7430, 87264), (8080, 80244), (8640, 75043), (8916, 72720), (9090, 71328), (9696, 66870), (10908, 59440), (11145, 58176), (11888, 54540), (12120, 53496), (13374, 48480), (13635, 47552), (14544, 44580), (14860, 43632), (16160, 40122), (17832, 36360), (18180, 35664), (19392, 33435), (20061, 32320), (21816, 29720), (22290, 29088), (23776, 27270), (24240, 26748)]