285581920

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1$

素因数の和:205

約数の個数: 192

約数和(自身を含む): 774918144

約数和(自身を除く): 489336224

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 43, 52, 62, 65, 80, 86, 103, 104, 124, 130, 155, 160, 172, 206, 208, 215, 248, 260, 310, 344, 403, 412, 416, 430, 496, 515, 520, 559, 620, 688, 806, 824, 860, 992, 1030, 1040, 1118, 1240, 1333, 1339, 1376, 1612, 1648, 1720, 2015, 2060, 2080, 2236, 2480, 2666, 2678, 2795, 3193, 3224, 3296, 3440, 4030, 4120, 4429, 4472, 4960, 5332, 5356, 5590, 6386, 6448, 6665, 6695, 6880, 8060, 8240, 8858, 8944, 10664, 10712, 11180, 12772, 12896, 13330, 13390, 15965, 16120, 16480, 17329, 17716, 17888, 21328, 21424, 22145, 22360, 25544, 26660, 26780, 31930, 32240, 34658, 35432, 41509, 42656, 42848, 44290, 44720, 51088, 53320, 53560, 57577, 63860, 64480, 69316, 70864, 83018, 86645, 88580, 89440, 102176, 106640, 107120, 115154, 127720, 137299, 138632, 141728, 166036, 173290, 177160, 207545, 213280, 214240, 230308, 255440, 274598, 277264, 287885, 332072, 346580, 354320, 415090, 460616, 510880, 549196, 554528, 575770, 664144, 686495, 693160, 708640, 830180, 921232, 1098392, 1151540, 1328288, 1372990, 1386320, 1660360, 1784887, 1842464, 2196784, 2303080, 2745980, 2772640, 3320720, 3569774, 4393568, 4606160, 5491960, 6641440, 7139548, 8924435, 9212320, 10983920, 14279096, 17848870, 21967840, 28558192, 35697740, 57116384, 71395480, 142790960, 285581920]

約数ペア:

[(1, 285581920), (2, 142790960), (4, 71395480), (5, 57116384), (8, 35697740), (10, 28558192), (13, 21967840), (16, 17848870), (20, 14279096), (26, 10983920), (31, 9212320), (32, 8924435), (40, 7139548), (43, 6641440), (52, 5491960), (62, 4606160), (65, 4393568), (80, 3569774), (86, 3320720), (103, 2772640), (104, 2745980), (124, 2303080), (130, 2196784), (155, 1842464), (160, 1784887), (172, 1660360), (206, 1386320), (208, 1372990), (215, 1328288), (248, 1151540), (260, 1098392), (310, 921232), (344, 830180), (403, 708640), (412, 693160), (416, 686495), (430, 664144), (496, 575770), (515, 554528), (520, 549196), (559, 510880), (620, 460616), (688, 415090), (806, 354320), (824, 346580), (860, 332072), (992, 287885), (1030, 277264), (1040, 274598), (1118, 255440), (1240, 230308), (1333, 214240), (1339, 213280), (1376, 207545), (1612, 177160), (1648, 173290), (1720, 166036), (2015, 141728), (2060, 138632), (2080, 137299), (2236, 127720), (2480, 115154), (2666, 107120), (2678, 106640), (2795, 102176), (3193, 89440), (3224, 88580), (3296, 86645), (3440, 83018), (4030, 70864), (4120, 69316), (4429, 64480), (4472, 63860), (4960, 57577), (5332, 53560), (5356, 53320), (5590, 51088), (6386, 44720), (6448, 44290), (6665, 42848), (6695, 42656), (6880, 41509), (8060, 35432), (8240, 34658), (8858, 32240), (8944, 31930), (10664, 26780), (10712, 26660), (11180, 25544), (12772, 22360), (12896, 22145), (13330, 21424), (13390, 21328), (15965, 17888), (16120, 17716), (16480, 17329)]