645128640

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17231}}^1$

素因数の和:17267

約数の個数: 168

約数和(自身を含む): 2389802688

約数和(自身を除く): 1744674048

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 64, 65, 72, 78, 80, 90, 96, 104, 117, 120, 130, 144, 156, 160, 180, 192, 195, 208, 234, 240, 260, 288, 312, 320, 360, 390, 416, 468, 480, 520, 576, 585, 624, 720, 780, 832, 936, 960, 1040, 1170, 1248, 1440, 1560, 1872, 2080, 2340, 2496, 2880, 3120, 3744, 4160, 4680, 6240, 7488, 9360, 12480, 17231, 18720, 34462, 37440, 51693, 68924, 86155, 103386, 137848, 155079, 172310, 206772, 224003, 258465, 275696, 310158, 344620, 413544, 448006, 516930, 551392, 620316, 672009, 689240, 775395, 827088, 896012, 1033860, 1102784, 1120015, 1240632, 1344018, 1378480, 1550790, 1654176, 1792024, 2016027, 2067720, 2240030, 2481264, 2688036, 2756960, 3101580, 3308352, 3360045, 3584048, 4032054, 4135440, 4480060, 4962528, 5376072, 5513920, 6203160, 6720090, 7168096, 8064108, 8270880, 8960120, 9925056, 10080135, 10752144, 12406320, 13440180, 14336192, 16128216, 16541760, 17920240, 20160270, 21504288, 24812640, 26880360, 32256432, 35840480, 40320540, 43008576, 49625280, 53760720, 64512864, 71680960, 80641080, 107521440, 129025728, 161282160, 215042880, 322564320, 645128640]

約数ペア:

[(1, 645128640), (2, 322564320), (3, 215042880), (4, 161282160), (5, 129025728), (6, 107521440), (8, 80641080), (9, 71680960), (10, 64512864), (12, 53760720), (13, 49625280), (15, 43008576), (16, 40320540), (18, 35840480), (20, 32256432), (24, 26880360), (26, 24812640), (30, 21504288), (32, 20160270), (36, 17920240), (39, 16541760), (40, 16128216), (45, 14336192), (48, 13440180), (52, 12406320), (60, 10752144), (64, 10080135), (65, 9925056), (72, 8960120), (78, 8270880), (80, 8064108), (90, 7168096), (96, 6720090), (104, 6203160), (117, 5513920), (120, 5376072), (130, 4962528), (144, 4480060), (156, 4135440), (160, 4032054), (180, 3584048), (192, 3360045), (195, 3308352), (208, 3101580), (234, 2756960), (240, 2688036), (260, 2481264), (288, 2240030), (312, 2067720), (320, 2016027), (360, 1792024), (390, 1654176), (416, 1550790), (468, 1378480), (480, 1344018), (520, 1240632), (576, 1120015), (585, 1102784), (624, 1033860), (720, 896012), (780, 827088), (832, 775395), (936, 689240), (960, 672009), (1040, 620316), (1170, 551392), (1248, 516930), (1440, 448006), (1560, 413544), (1872, 344620), (2080, 310158), (2340, 275696), (2496, 258465), (2880, 224003), (3120, 206772), (3744, 172310), (4160, 155079), (4680, 137848), (6240, 103386), (7488, 86155), (9360, 68924), (12480, 51693), (17231, 37440), (18720, 34462)]