257965440

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1$

素因数の和:205

約数の個数: 256

約数和(自身を含む): 879076800

約数和(自身を除く): 621111360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 32, 40, 41, 48, 58, 60, 64, 80, 82, 87, 96, 113, 116, 120, 123, 128, 145, 160, 164, 174, 192, 205, 226, 232, 240, 246, 290, 320, 328, 339, 348, 384, 410, 435, 452, 464, 480, 492, 565, 580, 615, 640, 656, 678, 696, 820, 870, 904, 928, 960, 984, 1130, 1160, 1189, 1230, 1312, 1356, 1392, 1640, 1695, 1740, 1808, 1856, 1920, 1968, 2260, 2320, 2378, 2460, 2624, 2712, 2784, 3277, 3280, 3390, 3480, 3567, 3616, 3712, 3936, 4520, 4633, 4640, 4756, 4920, 5248, 5424, 5568, 5945, 6554, 6560, 6780, 6960, 7134, 7232, 7872, 9040, 9266, 9280, 9512, 9831, 9840, 10848, 11136, 11890, 13108, 13120, 13560, 13899, 13920, 14268, 14464, 15744, 16385, 17835, 18080, 18532, 18560, 19024, 19662, 19680, 21696, 23165, 23780, 26216, 26240, 27120, 27798, 27840, 28536, 32770, 35670, 36160, 37064, 38048, 39324, 39360, 43392, 46330, 47560, 49155, 52432, 54240, 55596, 55680, 57072, 65540, 69495, 71340, 72320, 74128, 76096, 78648, 78720, 92660, 95120, 98310, 104864, 108480, 111192, 114144, 131080, 134357, 138990, 142680, 148256, 152192, 157296, 185320, 190240, 196620, 209728, 216960, 222384, 228288, 262160, 268714, 277980, 285360, 296512, 314592, 370640, 380480, 393240, 403071, 419456, 444768, 456576, 524320, 537428, 555960, 570720, 593024, 629184, 671785, 741280, 760960, 786480, 806142, 889536, 1048640, 1074856, 1111920, 1141440, 1258368, 1343570, 1482560, 1572960, 1612284, 1779072, 2015355, 2097280, 2149712, 2223840, 2282880, 2687140, 2965120, 3145920, 3224568, 4030710, 4299424, 4447680, 5374280, 6291840, 6449136, 8061420, 8598848, 8895360, 10748560, 12898272, 16122840, 17197696, 21497120, 25796544, 32245680, 42994240, 51593088, 64491360, 85988480, 128982720, 257965440]

約数ペア:

[(1, 257965440), (2, 128982720), (3, 85988480), (4, 64491360), (5, 51593088), (6, 42994240), (8, 32245680), (10, 25796544), (12, 21497120), (15, 17197696), (16, 16122840), (20, 12898272), (24, 10748560), (29, 8895360), (30, 8598848), (32, 8061420), (40, 6449136), (41, 6291840), (48, 5374280), (58, 4447680), (60, 4299424), (64, 4030710), (80, 3224568), (82, 3145920), (87, 2965120), (96, 2687140), (113, 2282880), (116, 2223840), (120, 2149712), (123, 2097280), (128, 2015355), (145, 1779072), (160, 1612284), (164, 1572960), (174, 1482560), (192, 1343570), (205, 1258368), (226, 1141440), (232, 1111920), (240, 1074856), (246, 1048640), (290, 889536), (320, 806142), (328, 786480), (339, 760960), (348, 741280), (384, 671785), (410, 629184), (435, 593024), (452, 570720), (464, 555960), (480, 537428), (492, 524320), (565, 456576), (580, 444768), (615, 419456), (640, 403071), (656, 393240), (678, 380480), (696, 370640), (820, 314592), (870, 296512), (904, 285360), (928, 277980), (960, 268714), (984, 262160), (1130, 228288), (1160, 222384), (1189, 216960), (1230, 209728), (1312, 196620), (1356, 190240), (1392, 185320), (1640, 157296), (1695, 152192), (1740, 148256), (1808, 142680), (1856, 138990), (1920, 134357), (1968, 131080), (2260, 114144), (2320, 111192), (2378, 108480), (2460, 104864), (2624, 98310), (2712, 95120), (2784, 92660), (3277, 78720), (3280, 78648), (3390, 76096), (3480, 74128), (3567, 72320), (3616, 71340), (3712, 69495), (3936, 65540), (4520, 57072), (4633, 55680), (4640, 55596), (4756, 54240), (4920, 52432), (5248, 49155), (5424, 47560), (5568, 46330), (5945, 43392), (6554, 39360), (6560, 39324), (6780, 38048), (6960, 37064), (7134, 36160), (7232, 35670), (7872, 32770), (9040, 28536), (9266, 27840), (9280, 27798), (9512, 27120), (9831, 26240), (9840, 26216), (10848, 23780), (11136, 23165), (11890, 21696), (13108, 19680), (13120, 19662), (13560, 19024), (13899, 18560), (13920, 18532), (14268, 18080), (14464, 17835), (15744, 16385)]