257908560

素因数分解:

$2^4\times 3^1\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{241}}^1$

素因数の和:291

約数の個数: 320

約数和(自身を含む): 1008268800

約数和(自身を除く): 750360240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 48, 49, 52, 56, 60, 65, 70, 78, 80, 84, 91, 98, 104, 105, 112, 120, 130, 140, 147, 156, 168, 182, 195, 196, 208, 210, 240, 241, 245, 260, 273, 280, 294, 312, 336, 343, 364, 390, 392, 420, 455, 482, 490, 520, 546, 560, 588, 624, 637, 686, 723, 728, 735, 780, 784, 840, 910, 964, 980, 1029, 1040, 1092, 1176, 1205, 1274, 1365, 1372, 1446, 1456, 1470, 1560, 1680, 1687, 1715, 1820, 1911, 1928, 1960, 2058, 2184, 2352, 2410, 2548, 2730, 2744, 2892, 2940, 3120, 3133, 3185, 3374, 3430, 3615, 3640, 3822, 3856, 3920, 4116, 4368, 4459, 4820, 5061, 5096, 5145, 5460, 5488, 5784, 5880, 6266, 6370, 6748, 6860, 7230, 7280, 7644, 8232, 8435, 8918, 9399, 9555, 9640, 10122, 10192, 10290, 10920, 11568, 11760, 11809, 12532, 12740, 13377, 13496, 13720, 14460, 15288, 15665, 16464, 16870, 17836, 18798, 19110, 19280, 20244, 20580, 21840, 21931, 22295, 23618, 25064, 25305, 25480, 26754, 26992, 27440, 28920, 30576, 31330, 33740, 35427, 35672, 37596, 38220, 40488, 41160, 43862, 44590, 46995, 47236, 50128, 50610, 50960, 53508, 57840, 59045, 62660, 65793, 66885, 67480, 70854, 71344, 75192, 76440, 80976, 82320, 82663, 87724, 89180, 93990, 94472, 101220, 107016, 109655, 118090, 125320, 131586, 133770, 134960, 141708, 150384, 152880, 153517, 165326, 175448, 177135, 178360, 187980, 188944, 202440, 214032, 219310, 236180, 247989, 250640, 263172, 267540, 283416, 307034, 328965, 330652, 350896, 354270, 356720, 375960, 404880, 413315, 438620, 460551, 472360, 495978, 526344, 535080, 566832, 614068, 657930, 661304, 708540, 751920, 767585, 826630, 877240, 921102, 944720, 991956, 1052688, 1070160, 1074619, 1228136, 1239945, 1315860, 1322608, 1417080, 1535170, 1653260, 1754480, 1842204, 1983912, 2149238, 2302755, 2456272, 2479890, 2631720, 2834160, 3070340, 3223857, 3306520, 3684408, 3967824, 4298476, 4605510, 4959780, 5263440, 5373095, 6140680, 6447714, 6613040, 7368816, 8596952, 9211020, 9919560, 10746190, 12281360, 12895428, 16119285, 17193904, 18422040, 19839120, 21492380, 25790856, 32238570, 36844080, 42984760, 51581712, 64477140, 85969520, 128954280, 257908560]

約数ペア:

[(1, 257908560), (2, 128954280), (3, 85969520), (4, 64477140), (5, 51581712), (6, 42984760), (7, 36844080), (8, 32238570), (10, 25790856), (12, 21492380), (13, 19839120), (14, 18422040), (15, 17193904), (16, 16119285), (20, 12895428), (21, 12281360), (24, 10746190), (26, 9919560), (28, 9211020), (30, 8596952), (35, 7368816), (39, 6613040), (40, 6447714), (42, 6140680), (48, 5373095), (49, 5263440), (52, 4959780), (56, 4605510), (60, 4298476), (65, 3967824), (70, 3684408), (78, 3306520), (80, 3223857), (84, 3070340), (91, 2834160), (98, 2631720), (104, 2479890), (105, 2456272), (112, 2302755), (120, 2149238), (130, 1983912), (140, 1842204), (147, 1754480), (156, 1653260), (168, 1535170), (182, 1417080), (195, 1322608), (196, 1315860), (208, 1239945), (210, 1228136), (240, 1074619), (241, 1070160), (245, 1052688), (260, 991956), (273, 944720), (280, 921102), (294, 877240), (312, 826630), (336, 767585), (343, 751920), (364, 708540), (390, 661304), (392, 657930), (420, 614068), (455, 566832), (482, 535080), (490, 526344), (520, 495978), (546, 472360), (560, 460551), (588, 438620), (624, 413315), (637, 404880), (686, 375960), (723, 356720), (728, 354270), (735, 350896), (780, 330652), (784, 328965), (840, 307034), (910, 283416), (964, 267540), (980, 263172), (1029, 250640), (1040, 247989), (1092, 236180), (1176, 219310), (1205, 214032), (1274, 202440), (1365, 188944), (1372, 187980), (1446, 178360), (1456, 177135), (1470, 175448), (1560, 165326), (1680, 153517), (1687, 152880), (1715, 150384), (1820, 141708), (1911, 134960), (1928, 133770), (1960, 131586), (2058, 125320), (2184, 118090), (2352, 109655), (2410, 107016), (2548, 101220), (2730, 94472), (2744, 93990), (2892, 89180), (2940, 87724), (3120, 82663), (3133, 82320), (3185, 80976), (3374, 76440), (3430, 75192), (3615, 71344), (3640, 70854), (3822, 67480), (3856, 66885), (3920, 65793), (4116, 62660), (4368, 59045), (4459, 57840), (4820, 53508), (5061, 50960), (5096, 50610), (5145, 50128), (5460, 47236), (5488, 46995), (5784, 44590), (5880, 43862), (6266, 41160), (6370, 40488), (6748, 38220), (6860, 37596), (7230, 35672), (7280, 35427), (7644, 33740), (8232, 31330), (8435, 30576), (8918, 28920), (9399, 27440), (9555, 26992), (9640, 26754), (10122, 25480), (10192, 25305), (10290, 25064), (10920, 23618), (11568, 22295), (11760, 21931), (11809, 21840), (12532, 20580), (12740, 20244), (13377, 19280), (13496, 19110), (13720, 18798), (14460, 17836), (15288, 16870), (15665, 16464)]