1657039280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{499}}^1$

素因数の和:659

約数の個数: 160

約数和(自身を含む): 4333056000

約数和(自身を除く): 2676016720

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 103, 104, 124, 130, 155, 206, 208, 248, 260, 310, 403, 412, 496, 499, 515, 520, 620, 806, 824, 998, 1030, 1040, 1240, 1339, 1612, 1648, 1996, 2015, 2060, 2480, 2495, 2678, 3193, 3224, 3992, 4030, 4120, 4990, 5356, 6386, 6448, 6487, 6695, 7984, 8060, 8240, 9980, 10712, 12772, 12974, 13390, 15469, 15965, 16120, 19960, 21424, 25544, 25948, 26780, 30938, 31930, 32240, 32435, 39920, 41509, 51088, 51397, 51896, 53560, 61876, 63860, 64870, 77345, 83018, 102794, 103792, 107120, 123752, 127720, 129740, 154690, 166036, 201097, 205588, 207545, 247504, 255440, 256985, 259480, 309380, 332072, 402194, 411176, 415090, 513970, 518960, 618760, 664144, 668161, 804388, 822352, 830180, 1005485, 1027940, 1237520, 1336322, 1593307, 1608776, 1660360, 2010970, 2055880, 2672644, 3186614, 3217552, 3320720, 3340805, 4021940, 4111760, 5345288, 6373228, 6681610, 7966535, 8043880, 10690576, 12746456, 13363220, 15933070, 16087760, 20712991, 25492912, 26726440, 31866140, 41425982, 53452880, 63732280, 82851964, 103564955, 127464560, 165703928, 207129910, 331407856, 414259820, 828519640, 1657039280]

約数ペア:

[(1, 1657039280), (2, 828519640), (4, 414259820), (5, 331407856), (8, 207129910), (10, 165703928), (13, 127464560), (16, 103564955), (20, 82851964), (26, 63732280), (31, 53452880), (40, 41425982), (52, 31866140), (62, 26726440), (65, 25492912), (80, 20712991), (103, 16087760), (104, 15933070), (124, 13363220), (130, 12746456), (155, 10690576), (206, 8043880), (208, 7966535), (248, 6681610), (260, 6373228), (310, 5345288), (403, 4111760), (412, 4021940), (496, 3340805), (499, 3320720), (515, 3217552), (520, 3186614), (620, 2672644), (806, 2055880), (824, 2010970), (998, 1660360), (1030, 1608776), (1040, 1593307), (1240, 1336322), (1339, 1237520), (1612, 1027940), (1648, 1005485), (1996, 830180), (2015, 822352), (2060, 804388), (2480, 668161), (2495, 664144), (2678, 618760), (3193, 518960), (3224, 513970), (3992, 415090), (4030, 411176), (4120, 402194), (4990, 332072), (5356, 309380), (6386, 259480), (6448, 256985), (6487, 255440), (6695, 247504), (7984, 207545), (8060, 205588), (8240, 201097), (9980, 166036), (10712, 154690), (12772, 129740), (12974, 127720), (13390, 123752), (15469, 107120), (15965, 103792), (16120, 102794), (19960, 83018), (21424, 77345), (25544, 64870), (25948, 63860), (26780, 61876), (30938, 53560), (31930, 51896), (32240, 51397), (32435, 51088), (39920, 41509)]