256750080

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{331}}^1$

素因数の和:458

約数の個数: 160

約数和(自身を含む): 831428928

約数和(自身を除く): 574678848

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 101, 120, 128, 160, 192, 202, 240, 256, 303, 320, 331, 384, 404, 480, 505, 512, 606, 640, 662, 768, 808, 960, 993, 1010, 1212, 1280, 1324, 1515, 1536, 1616, 1655, 1920, 1986, 2020, 2424, 2560, 2648, 3030, 3232, 3310, 3840, 3972, 4040, 4848, 4965, 5296, 6060, 6464, 6620, 7680, 7944, 8080, 9696, 9930, 10592, 12120, 12928, 13240, 15888, 16160, 19392, 19860, 21184, 24240, 25856, 26480, 31776, 32320, 33431, 38784, 39720, 42368, 48480, 51712, 52960, 63552, 64640, 66862, 77568, 79440, 84736, 96960, 100293, 105920, 127104, 129280, 133724, 155136, 158880, 167155, 169472, 193920, 200586, 211840, 254208, 258560, 267448, 317760, 334310, 387840, 401172, 423680, 501465, 508416, 534896, 635520, 668620, 775680, 802344, 847360, 1002930, 1069792, 1271040, 1337240, 1604688, 2005860, 2139584, 2542080, 2674480, 3209376, 4011720, 4279168, 5348960, 6418752, 8023440, 8558336, 10697920, 12837504, 16046880, 17116672, 21395840, 25675008, 32093760, 42791680, 51350016, 64187520, 85583360, 128375040, 256750080]

約数ペア:

[(1, 256750080), (2, 128375040), (3, 85583360), (4, 64187520), (5, 51350016), (6, 42791680), (8, 32093760), (10, 25675008), (12, 21395840), (15, 17116672), (16, 16046880), (20, 12837504), (24, 10697920), (30, 8558336), (32, 8023440), (40, 6418752), (48, 5348960), (60, 4279168), (64, 4011720), (80, 3209376), (96, 2674480), (101, 2542080), (120, 2139584), (128, 2005860), (160, 1604688), (192, 1337240), (202, 1271040), (240, 1069792), (256, 1002930), (303, 847360), (320, 802344), (331, 775680), (384, 668620), (404, 635520), (480, 534896), (505, 508416), (512, 501465), (606, 423680), (640, 401172), (662, 387840), (768, 334310), (808, 317760), (960, 267448), (993, 258560), (1010, 254208), (1212, 211840), (1280, 200586), (1324, 193920), (1515, 169472), (1536, 167155), (1616, 158880), (1655, 155136), (1920, 133724), (1986, 129280), (2020, 127104), (2424, 105920), (2560, 100293), (2648, 96960), (3030, 84736), (3232, 79440), (3310, 77568), (3840, 66862), (3972, 64640), (4040, 63552), (4848, 52960), (4965, 51712), (5296, 48480), (6060, 42368), (6464, 39720), (6620, 38784), (7680, 33431), (7944, 32320), (8080, 31776), (9696, 26480), (9930, 25856), (10592, 24240), (12120, 21184), (12928, 19860), (13240, 19392), (15888, 16160)]