816781680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{7933}}^1$

素因数の和:7976

約数の個数: 240

約数和(自身を含む): 3222981216

約数和(自身を除く): 2406199536

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, 660, 715, 720, 780, 792, 858, 880, 936, 990, 1040, 1144, 1170, 1287, 1320, 1430, 1560, 1584, 1716, 1872, 1980, 2145, 2288, 2340, 2574, 2640, 2860, 3120, 3432, 3960, 4290, 4680, 5148, 5720, 6435, 6864, 7920, 7933, 8580, 9360, 10296, 11440, 12870, 15866, 17160, 20592, 23799, 25740, 31732, 34320, 39665, 47598, 51480, 63464, 71397, 79330, 87263, 95196, 102960, 103129, 118995, 126928, 142794, 158660, 174526, 190392, 206258, 237990, 261789, 285588, 309387, 317320, 349052, 356985, 380784, 412516, 436315, 475980, 515645, 523578, 571176, 618774, 634640, 698104, 713970, 785367, 825032, 872630, 928161, 951960, 1031290, 1047156, 1134419, 1142352, 1237548, 1308945, 1396208, 1427940, 1546935, 1570734, 1650064, 1745260, 1856322, 1903920, 2062580, 2094312, 2268838, 2475096, 2617890, 2855880, 3093870, 3141468, 3403257, 3490520, 3712644, 3926835, 4125160, 4188624, 4537676, 4640805, 4950192, 5235780, 5672095, 5711760, 6187740, 6282936, 6806514, 6981040, 7425288, 7853670, 8250320, 9075352, 9281610, 10209771, 10471560, 11344190, 12375480, 12565872, 13613028, 14850576, 15707340, 17016285, 18150704, 18563220, 20419542, 20943120, 22688380, 24750960, 27226056, 31414680, 34032570, 37126440, 40839084, 45376760, 51048855, 54452112, 62829360, 68065140, 74252880, 81678168, 90753520, 102097710, 136130280, 163356336, 204195420, 272260560, 408390840, 816781680]

約数ペア:

[(1, 816781680), (2, 408390840), (3, 272260560), (4, 204195420), (5, 163356336), (6, 136130280), (8, 102097710), (9, 90753520), (10, 81678168), (11, 74252880), (12, 68065140), (13, 62829360), (15, 54452112), (16, 51048855), (18, 45376760), (20, 40839084), (22, 37126440), (24, 34032570), (26, 31414680), (30, 27226056), (33, 24750960), (36, 22688380), (39, 20943120), (40, 20419542), (44, 18563220), (45, 18150704), (48, 17016285), (52, 15707340), (55, 14850576), (60, 13613028), (65, 12565872), (66, 12375480), (72, 11344190), (78, 10471560), (80, 10209771), (88, 9281610), (90, 9075352), (99, 8250320), (104, 7853670), (110, 7425288), (117, 6981040), (120, 6806514), (130, 6282936), (132, 6187740), (143, 5711760), (144, 5672095), (156, 5235780), (165, 4950192), (176, 4640805), (180, 4537676), (195, 4188624), (198, 4125160), (208, 3926835), (220, 3712644), (234, 3490520), (240, 3403257), (260, 3141468), (264, 3093870), (286, 2855880), (312, 2617890), (330, 2475096), (360, 2268838), (390, 2094312), (396, 2062580), (429, 1903920), (440, 1856322), (468, 1745260), (495, 1650064), (520, 1570734), (528, 1546935), (572, 1427940), (585, 1396208), (624, 1308945), (660, 1237548), (715, 1142352), (720, 1134419), (780, 1047156), (792, 1031290), (858, 951960), (880, 928161), (936, 872630), (990, 825032), (1040, 785367), (1144, 713970), (1170, 698104), (1287, 634640), (1320, 618774), (1430, 571176), (1560, 523578), (1584, 515645), (1716, 475980), (1872, 436315), (1980, 412516), (2145, 380784), (2288, 356985), (2340, 349052), (2574, 317320), (2640, 309387), (2860, 285588), (3120, 261789), (3432, 237990), (3960, 206258), (4290, 190392), (4680, 174526), (5148, 158660), (5720, 142794), (6435, 126928), (6864, 118995), (7920, 103129), (7933, 102960), (8580, 95196), (9360, 87263), (10296, 79330), (11440, 71397), (12870, 63464), (15866, 51480), (17160, 47598), (20592, 39665), (23799, 34320), (25740, 31732)]