257491080

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1327}}^1$

素因数の和:1369

約数の個数: 288

約数和(自身を含む): 1062771840

約数和(自身を除く): 805280760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 24, 28, 30, 33, 35, 36, 40, 42, 44, 45, 49, 55, 56, 60, 63, 66, 70, 72, 77, 84, 88, 90, 98, 99, 105, 110, 120, 126, 132, 140, 147, 154, 165, 168, 180, 196, 198, 210, 220, 231, 245, 252, 264, 280, 294, 308, 315, 330, 360, 385, 392, 396, 420, 440, 441, 462, 490, 495, 504, 539, 588, 616, 630, 660, 693, 735, 770, 792, 840, 882, 924, 980, 990, 1078, 1155, 1176, 1260, 1320, 1327, 1386, 1470, 1540, 1617, 1764, 1848, 1960, 1980, 2156, 2205, 2310, 2520, 2654, 2695, 2772, 2940, 3080, 3234, 3465, 3528, 3960, 3981, 4312, 4410, 4620, 4851, 5308, 5390, 5544, 5880, 6468, 6635, 6930, 7962, 8085, 8820, 9240, 9289, 9702, 10616, 10780, 11943, 12936, 13270, 13860, 14597, 15924, 16170, 17640, 18578, 19404, 19905, 21560, 23886, 24255, 26540, 27720, 27867, 29194, 31848, 32340, 37156, 38808, 39810, 43791, 46445, 47772, 48510, 53080, 55734, 58388, 59715, 64680, 65023, 72985, 74312, 79620, 83601, 87582, 92890, 95544, 97020, 102179, 111468, 116776, 119430, 130046, 131373, 139335, 145970, 159240, 167202, 175164, 185780, 194040, 195069, 204358, 218955, 222936, 238860, 260092, 262746, 278670, 291940, 306537, 325115, 334404, 350328, 371560, 390138, 408716, 418005, 437910, 477720, 510895, 520184, 525492, 557340, 583880, 585207, 613074, 650230, 656865, 668808, 715253, 780276, 817432, 836010, 875820, 919611, 975345, 1021790, 1050984, 1114680, 1170414, 1226148, 1300460, 1313730, 1430506, 1532685, 1560552, 1672020, 1751640, 1839222, 1950690, 2043580, 2145759, 2340828, 2452296, 2600920, 2627460, 2861012, 2926035, 3065370, 3344040, 3576265, 3678444, 3901380, 4087160, 4291518, 4598055, 4681656, 5254920, 5722024, 5852070, 6130740, 6437277, 7152530, 7356888, 7802760, 8583036, 9196110, 10728795, 11704140, 12261480, 12874554, 14305060, 17166072, 18392220, 21457590, 23408280, 25749108, 28610120, 32186385, 36784440, 42915180, 51498216, 64372770, 85830360, 128745540, 257491080]

約数ペア:

[(1, 257491080), (2, 128745540), (3, 85830360), (4, 64372770), (5, 51498216), (6, 42915180), (7, 36784440), (8, 32186385), (9, 28610120), (10, 25749108), (11, 23408280), (12, 21457590), (14, 18392220), (15, 17166072), (18, 14305060), (20, 12874554), (21, 12261480), (22, 11704140), (24, 10728795), (28, 9196110), (30, 8583036), (33, 7802760), (35, 7356888), (36, 7152530), (40, 6437277), (42, 6130740), (44, 5852070), (45, 5722024), (49, 5254920), (55, 4681656), (56, 4598055), (60, 4291518), (63, 4087160), (66, 3901380), (70, 3678444), (72, 3576265), (77, 3344040), (84, 3065370), (88, 2926035), (90, 2861012), (98, 2627460), (99, 2600920), (105, 2452296), (110, 2340828), (120, 2145759), (126, 2043580), (132, 1950690), (140, 1839222), (147, 1751640), (154, 1672020), (165, 1560552), (168, 1532685), (180, 1430506), (196, 1313730), (198, 1300460), (210, 1226148), (220, 1170414), (231, 1114680), (245, 1050984), (252, 1021790), (264, 975345), (280, 919611), (294, 875820), (308, 836010), (315, 817432), (330, 780276), (360, 715253), (385, 668808), (392, 656865), (396, 650230), (420, 613074), (440, 585207), (441, 583880), (462, 557340), (490, 525492), (495, 520184), (504, 510895), (539, 477720), (588, 437910), (616, 418005), (630, 408716), (660, 390138), (693, 371560), (735, 350328), (770, 334404), (792, 325115), (840, 306537), (882, 291940), (924, 278670), (980, 262746), (990, 260092), (1078, 238860), (1155, 222936), (1176, 218955), (1260, 204358), (1320, 195069), (1327, 194040), (1386, 185780), (1470, 175164), (1540, 167202), (1617, 159240), (1764, 145970), (1848, 139335), (1960, 131373), (1980, 130046), (2156, 119430), (2205, 116776), (2310, 111468), (2520, 102179), (2654, 97020), (2695, 95544), (2772, 92890), (2940, 87582), (3080, 83601), (3234, 79620), (3465, 74312), (3528, 72985), (3960, 65023), (3981, 64680), (4312, 59715), (4410, 58388), (4620, 55734), (4851, 53080), (5308, 48510), (5390, 47772), (5544, 46445), (5880, 43791), (6468, 39810), (6635, 38808), (6930, 37156), (7962, 32340), (8085, 31848), (8820, 29194), (9240, 27867), (9289, 27720), (9702, 26540), (10616, 24255), (10780, 23886), (11943, 21560), (12936, 19905), (13270, 19404), (13860, 18578), (14597, 17640), (15924, 16170)]