64967760

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{631}}^1$

素因数の和:674

約数の個数: 240

約数和(自身を含む): 256733568

約数和(自身を除く): 191765808

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 13, 15, 16, 18, 20, 22, 24, 26, 30, 33, 36, 39, 40, 44, 45, 48, 52, 55, 60, 65, 66, 72, 78, 80, 88, 90, 99, 104, 110, 117, 120, 130, 132, 143, 144, 156, 165, 176, 180, 195, 198, 208, 220, 234, 240, 260, 264, 286, 312, 330, 360, 390, 396, 429, 440, 468, 495, 520, 528, 572, 585, 624, 631, 660, 715, 720, 780, 792, 858, 880, 936, 990, 1040, 1144, 1170, 1262, 1287, 1320, 1430, 1560, 1584, 1716, 1872, 1893, 1980, 2145, 2288, 2340, 2524, 2574, 2640, 2860, 3120, 3155, 3432, 3786, 3960, 4290, 4680, 5048, 5148, 5679, 5720, 6310, 6435, 6864, 6941, 7572, 7920, 8203, 8580, 9360, 9465, 10096, 10296, 11358, 11440, 12620, 12870, 13882, 15144, 16406, 17160, 18930, 20592, 20823, 22716, 24609, 25240, 25740, 27764, 28395, 30288, 32812, 34320, 34705, 37860, 41015, 41646, 45432, 49218, 50480, 51480, 55528, 56790, 62469, 65624, 69410, 73827, 75720, 82030, 83292, 90233, 90864, 98436, 102960, 104115, 111056, 113580, 123045, 124938, 131248, 138820, 147654, 151440, 164060, 166584, 180466, 196872, 208230, 227160, 246090, 249876, 270699, 277640, 295308, 312345, 328120, 333168, 360932, 369135, 393744, 416460, 451165, 454320, 492180, 499752, 541398, 555280, 590616, 624690, 656240, 721864, 738270, 812097, 832920, 902330, 984360, 999504, 1082796, 1181232, 1249380, 1353495, 1443728, 1476540, 1624194, 1665840, 1804660, 1968720, 2165592, 2498760, 2706990, 2953080, 3248388, 3609320, 4060485, 4331184, 4997520, 5413980, 5906160, 6496776, 7218640, 8120970, 10827960, 12993552, 16241940, 21655920, 32483880, 64967760]

約数ペア:

[(1, 64967760), (2, 32483880), (3, 21655920), (4, 16241940), (5, 12993552), (6, 10827960), (8, 8120970), (9, 7218640), (10, 6496776), (11, 5906160), (12, 5413980), (13, 4997520), (15, 4331184), (16, 4060485), (18, 3609320), (20, 3248388), (22, 2953080), (24, 2706990), (26, 2498760), (30, 2165592), (33, 1968720), (36, 1804660), (39, 1665840), (40, 1624194), (44, 1476540), (45, 1443728), (48, 1353495), (52, 1249380), (55, 1181232), (60, 1082796), (65, 999504), (66, 984360), (72, 902330), (78, 832920), (80, 812097), (88, 738270), (90, 721864), (99, 656240), (104, 624690), (110, 590616), (117, 555280), (120, 541398), (130, 499752), (132, 492180), (143, 454320), (144, 451165), (156, 416460), (165, 393744), (176, 369135), (180, 360932), (195, 333168), (198, 328120), (208, 312345), (220, 295308), (234, 277640), (240, 270699), (260, 249876), (264, 246090), (286, 227160), (312, 208230), (330, 196872), (360, 180466), (390, 166584), (396, 164060), (429, 151440), (440, 147654), (468, 138820), (495, 131248), (520, 124938), (528, 123045), (572, 113580), (585, 111056), (624, 104115), (631, 102960), (660, 98436), (715, 90864), (720, 90233), (780, 83292), (792, 82030), (858, 75720), (880, 73827), (936, 69410), (990, 65624), (1040, 62469), (1144, 56790), (1170, 55528), (1262, 51480), (1287, 50480), (1320, 49218), (1430, 45432), (1560, 41646), (1584, 41015), (1716, 37860), (1872, 34705), (1893, 34320), (1980, 32812), (2145, 30288), (2288, 28395), (2340, 27764), (2524, 25740), (2574, 25240), (2640, 24609), (2860, 22716), (3120, 20823), (3155, 20592), (3432, 18930), (3786, 17160), (3960, 16406), (4290, 15144), (4680, 13882), (5048, 12870), (5148, 12620), (5679, 11440), (5720, 11358), (6310, 10296), (6435, 10096), (6864, 9465), (6941, 9360), (7572, 8580), (7920, 8203)]