257120640

素因数分解:

$2^7\times 3^2\times 5^1\times 7^2\times {\mathrm{911}}^1$

素因数の和:950

約数の個数: 288

約数和(自身を含む): 1033961760

約数和(自身を除く): 776841120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 98, 105, 112, 120, 126, 128, 140, 144, 147, 160, 168, 180, 192, 196, 210, 224, 240, 245, 252, 280, 288, 294, 315, 320, 336, 360, 384, 392, 420, 441, 448, 480, 490, 504, 560, 576, 588, 630, 640, 672, 720, 735, 784, 840, 882, 896, 911, 960, 980, 1008, 1120, 1152, 1176, 1260, 1344, 1440, 1470, 1568, 1680, 1764, 1822, 1920, 1960, 2016, 2205, 2240, 2352, 2520, 2688, 2733, 2880, 2940, 3136, 3360, 3528, 3644, 3920, 4032, 4410, 4480, 4555, 4704, 5040, 5466, 5760, 5880, 6272, 6377, 6720, 7056, 7288, 7840, 8064, 8199, 8820, 9110, 9408, 10080, 10932, 11760, 12754, 13440, 13665, 14112, 14576, 15680, 16398, 17640, 18220, 18816, 19131, 20160, 21864, 23520, 25508, 27330, 28224, 29152, 31360, 31885, 32796, 35280, 36440, 38262, 40320, 40995, 43728, 44639, 47040, 51016, 54660, 56448, 57393, 58304, 63770, 65592, 70560, 72880, 76524, 81990, 87456, 89278, 94080, 95655, 102032, 109320, 114786, 116608, 127540, 131184, 133917, 141120, 145760, 153048, 163980, 174912, 178556, 191310, 204064, 218640, 223195, 229572, 255080, 262368, 267834, 282240, 286965, 291520, 306096, 327960, 349824, 357112, 382620, 401751, 408128, 437280, 446390, 459144, 510160, 524736, 535668, 573930, 583040, 612192, 655920, 669585, 714224, 765240, 803502, 816256, 874560, 892780, 918288, 1020320, 1049472, 1071336, 1147860, 1224384, 1311840, 1339170, 1428448, 1530480, 1607004, 1749120, 1785560, 1836576, 2008755, 2040640, 2142672, 2295720, 2448768, 2623680, 2678340, 2856896, 3060960, 3214008, 3571120, 3673152, 4017510, 4081280, 4285344, 4591440, 5247360, 5356680, 5713792, 6121920, 6428016, 7142240, 7346304, 8035020, 8570688, 9182880, 10713360, 12243840, 12856032, 14284480, 16070040, 17141376, 18365760, 21426720, 25712064, 28568960, 32140080, 36731520, 42853440, 51424128, 64280160, 85706880, 128560320, 257120640]

約数ペア:

[(1, 257120640), (2, 128560320), (3, 85706880), (4, 64280160), (5, 51424128), (6, 42853440), (7, 36731520), (8, 32140080), (9, 28568960), (10, 25712064), (12, 21426720), (14, 18365760), (15, 17141376), (16, 16070040), (18, 14284480), (20, 12856032), (21, 12243840), (24, 10713360), (28, 9182880), (30, 8570688), (32, 8035020), (35, 7346304), (36, 7142240), (40, 6428016), (42, 6121920), (45, 5713792), (48, 5356680), (49, 5247360), (56, 4591440), (60, 4285344), (63, 4081280), (64, 4017510), (70, 3673152), (72, 3571120), (80, 3214008), (84, 3060960), (90, 2856896), (96, 2678340), (98, 2623680), (105, 2448768), (112, 2295720), (120, 2142672), (126, 2040640), (128, 2008755), (140, 1836576), (144, 1785560), (147, 1749120), (160, 1607004), (168, 1530480), (180, 1428448), (192, 1339170), (196, 1311840), (210, 1224384), (224, 1147860), (240, 1071336), (245, 1049472), (252, 1020320), (280, 918288), (288, 892780), (294, 874560), (315, 816256), (320, 803502), (336, 765240), (360, 714224), (384, 669585), (392, 655920), (420, 612192), (441, 583040), (448, 573930), (480, 535668), (490, 524736), (504, 510160), (560, 459144), (576, 446390), (588, 437280), (630, 408128), (640, 401751), (672, 382620), (720, 357112), (735, 349824), (784, 327960), (840, 306096), (882, 291520), (896, 286965), (911, 282240), (960, 267834), (980, 262368), (1008, 255080), (1120, 229572), (1152, 223195), (1176, 218640), (1260, 204064), (1344, 191310), (1440, 178556), (1470, 174912), (1568, 163980), (1680, 153048), (1764, 145760), (1822, 141120), (1920, 133917), (1960, 131184), (2016, 127540), (2205, 116608), (2240, 114786), (2352, 109320), (2520, 102032), (2688, 95655), (2733, 94080), (2880, 89278), (2940, 87456), (3136, 81990), (3360, 76524), (3528, 72880), (3644, 70560), (3920, 65592), (4032, 63770), (4410, 58304), (4480, 57393), (4555, 56448), (4704, 54660), (5040, 51016), (5466, 47040), (5760, 44639), (5880, 43728), (6272, 40995), (6377, 40320), (6720, 38262), (7056, 36440), (7288, 35280), (7840, 32796), (8064, 31885), (8199, 31360), (8820, 29152), (9110, 28224), (9408, 27330), (10080, 25508), (10932, 23520), (11760, 21864), (12754, 20160), (13440, 19131), (13665, 18816), (14112, 18220), (14576, 17640), (15680, 16398)]