257001120

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1451}}^1$

素因数の和:1516

約数の個数: 192

約数和(自身を含む): 922078080

約数和(自身を除く): 665076960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 41, 45, 48, 54, 60, 72, 80, 82, 90, 96, 108, 120, 123, 135, 144, 160, 164, 180, 205, 216, 240, 246, 270, 288, 328, 360, 369, 410, 432, 480, 492, 540, 615, 656, 720, 738, 820, 864, 984, 1080, 1107, 1230, 1312, 1440, 1451, 1476, 1640, 1845, 1968, 2160, 2214, 2460, 2902, 2952, 3280, 3690, 3936, 4320, 4353, 4428, 4920, 5535, 5804, 5904, 6560, 7255, 7380, 8706, 8856, 9840, 11070, 11608, 11808, 13059, 14510, 14760, 17412, 17712, 19680, 21765, 22140, 23216, 26118, 29020, 29520, 34824, 35424, 39177, 43530, 44280, 46432, 52236, 58040, 59040, 59491, 65295, 69648, 78354, 87060, 88560, 104472, 116080, 118982, 130590, 139296, 156708, 174120, 177120, 178473, 195885, 208944, 232160, 237964, 261180, 297455, 313416, 348240, 356946, 391770, 417888, 475928, 522360, 535419, 594910, 626832, 696480, 713892, 783540, 892365, 951856, 1044720, 1070838, 1189820, 1253664, 1427784, 1567080, 1606257, 1784730, 1903712, 2089440, 2141676, 2379640, 2677095, 2855568, 3134160, 3212514, 3569460, 4283352, 4759280, 5354190, 5711136, 6268320, 6425028, 7138920, 8031285, 8566704, 9518560, 10708380, 12850056, 14277840, 16062570, 17133408, 21416760, 25700112, 28555680, 32125140, 42833520, 51400224, 64250280, 85667040, 128500560, 257001120]

約数ペア:

[(1, 257001120), (2, 128500560), (3, 85667040), (4, 64250280), (5, 51400224), (6, 42833520), (8, 32125140), (9, 28555680), (10, 25700112), (12, 21416760), (15, 17133408), (16, 16062570), (18, 14277840), (20, 12850056), (24, 10708380), (27, 9518560), (30, 8566704), (32, 8031285), (36, 7138920), (40, 6425028), (41, 6268320), (45, 5711136), (48, 5354190), (54, 4759280), (60, 4283352), (72, 3569460), (80, 3212514), (82, 3134160), (90, 2855568), (96, 2677095), (108, 2379640), (120, 2141676), (123, 2089440), (135, 1903712), (144, 1784730), (160, 1606257), (164, 1567080), (180, 1427784), (205, 1253664), (216, 1189820), (240, 1070838), (246, 1044720), (270, 951856), (288, 892365), (328, 783540), (360, 713892), (369, 696480), (410, 626832), (432, 594910), (480, 535419), (492, 522360), (540, 475928), (615, 417888), (656, 391770), (720, 356946), (738, 348240), (820, 313416), (864, 297455), (984, 261180), (1080, 237964), (1107, 232160), (1230, 208944), (1312, 195885), (1440, 178473), (1451, 177120), (1476, 174120), (1640, 156708), (1845, 139296), (1968, 130590), (2160, 118982), (2214, 116080), (2460, 104472), (2902, 88560), (2952, 87060), (3280, 78354), (3690, 69648), (3936, 65295), (4320, 59491), (4353, 59040), (4428, 58040), (4920, 52236), (5535, 46432), (5804, 44280), (5904, 43530), (6560, 39177), (7255, 35424), (7380, 34824), (8706, 29520), (8856, 29020), (9840, 26118), (11070, 23216), (11608, 22140), (11808, 21765), (13059, 19680), (14510, 17712), (14760, 17412)]