257278320

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{27487}}^1$

素因数の和:27519

約数の個数: 120

約数和(自身を含む): 930523776

約数和(自身を除く): 673245456

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 104, 117, 120, 130, 144, 156, 180, 195, 208, 234, 240, 260, 312, 360, 390, 468, 520, 585, 624, 720, 780, 936, 1040, 1170, 1560, 1872, 2340, 3120, 4680, 9360, 27487, 54974, 82461, 109948, 137435, 164922, 219896, 247383, 274870, 329844, 357331, 412305, 439792, 494766, 549740, 659688, 714662, 824610, 989532, 1071993, 1099480, 1236915, 1319376, 1429324, 1649220, 1786655, 1979064, 2143986, 2198960, 2473830, 2858648, 3215979, 3298440, 3573310, 3958128, 4287972, 4947660, 5359965, 5717296, 6431958, 6596880, 7146620, 8575944, 9895320, 10719930, 12863916, 14293240, 16079895, 17151888, 19790640, 21439860, 25727832, 28586480, 32159790, 42879720, 51455664, 64319580, 85759440, 128639160, 257278320]

約数ペア:

[(1, 257278320), (2, 128639160), (3, 85759440), (4, 64319580), (5, 51455664), (6, 42879720), (8, 32159790), (9, 28586480), (10, 25727832), (12, 21439860), (13, 19790640), (15, 17151888), (16, 16079895), (18, 14293240), (20, 12863916), (24, 10719930), (26, 9895320), (30, 8575944), (36, 7146620), (39, 6596880), (40, 6431958), (45, 5717296), (48, 5359965), (52, 4947660), (60, 4287972), (65, 3958128), (72, 3573310), (78, 3298440), (80, 3215979), (90, 2858648), (104, 2473830), (117, 2198960), (120, 2143986), (130, 1979064), (144, 1786655), (156, 1649220), (180, 1429324), (195, 1319376), (208, 1236915), (234, 1099480), (240, 1071993), (260, 989532), (312, 824610), (360, 714662), (390, 659688), (468, 549740), (520, 494766), (585, 439792), (624, 412305), (720, 357331), (780, 329844), (936, 274870), (1040, 247383), (1170, 219896), (1560, 164922), (1872, 137435), (2340, 109948), (3120, 82461), (4680, 54974), (9360, 27487)]