20415040920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{317}}^1\times {\mathrm{619}}^1$

素因数の和:987

約数の個数: 288

約数和(自身を含む): 70817900400

約数和(自身を除く): 50402859480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 30, 34, 36, 40, 45, 51, 60, 68, 72, 85, 90, 102, 120, 136, 153, 170, 180, 204, 255, 289, 306, 317, 340, 360, 408, 510, 578, 612, 619, 634, 680, 765, 867, 951, 1020, 1156, 1224, 1238, 1268, 1445, 1530, 1585, 1734, 1857, 1902, 2040, 2312, 2476, 2536, 2601, 2853, 2890, 3060, 3095, 3170, 3468, 3714, 3804, 4335, 4755, 4952, 5202, 5389, 5571, 5706, 5780, 6120, 6190, 6340, 6936, 7428, 7608, 8670, 9285, 9510, 10404, 10523, 10778, 11142, 11412, 11560, 12380, 12680, 13005, 14265, 14856, 16167, 17340, 18570, 19020, 20808, 21046, 21556, 22284, 22824, 24760, 26010, 26945, 27855, 28530, 31569, 32334, 34680, 37140, 38040, 42092, 43112, 44568, 48501, 52020, 52615, 53890, 55710, 57060, 63138, 64668, 74280, 80835, 84184, 91613, 94707, 97002, 104040, 105230, 107780, 111420, 114120, 126276, 129336, 157845, 161670, 178891, 183226, 189414, 194004, 196223, 210460, 215560, 222840, 242505, 252552, 274839, 315690, 323340, 357782, 366452, 378828, 388008, 392446, 420920, 458065, 473535, 485010, 536673, 549678, 588669, 631380, 646680, 715564, 732904, 757656, 784892, 824517, 894455, 916130, 947070, 970020, 981115, 1073346, 1099356, 1177338, 1262760, 1374195, 1431128, 1569784, 1610019, 1649034, 1766007, 1788910, 1832260, 1894140, 1940040, 1962230, 2146692, 2198712, 2354676, 2683365, 2748390, 2943345, 3220038, 3298068, 3335791, 3532014, 3577820, 3664520, 3788280, 3924460, 4122585, 4293384, 4709352, 5366730, 5496780, 5886690, 6440076, 6596136, 6671582, 7064028, 7155640, 7848920, 8050095, 8245170, 8830035, 10007373, 10733460, 10993560, 11773380, 12880152, 13343164, 14128056, 16100190, 16490340, 16678955, 17660070, 20014746, 21466920, 23546760, 26686328, 30022119, 32200380, 32980680, 33357910, 35320140, 40029492, 50036865, 56708447, 60044238, 64400760, 66715820, 70640280, 80058984, 100073730, 113416894, 120088476, 133431640, 150110595, 170125341, 200147460, 226833788, 240176952, 283542235, 300221190, 340250682, 400294920, 453667576, 510376023, 567084470, 600442380, 680501364, 850626705, 1020752046, 1134168940, 1200884760, 1361002728, 1701253410, 2041504092, 2268337880, 2551880115, 3402506820, 4083008184, 5103760230, 6805013640, 10207520460, 20415040920]

約数ペア:

[(1, 20415040920), (2, 10207520460), (3, 6805013640), (4, 5103760230), (5, 4083008184), (6, 3402506820), (8, 2551880115), (9, 2268337880), (10, 2041504092), (12, 1701253410), (15, 1361002728), (17, 1200884760), (18, 1134168940), (20, 1020752046), (24, 850626705), (30, 680501364), (34, 600442380), (36, 567084470), (40, 510376023), (45, 453667576), (51, 400294920), (60, 340250682), (68, 300221190), (72, 283542235), (85, 240176952), (90, 226833788), (102, 200147460), (120, 170125341), (136, 150110595), (153, 133431640), (170, 120088476), (180, 113416894), (204, 100073730), (255, 80058984), (289, 70640280), (306, 66715820), (317, 64400760), (340, 60044238), (360, 56708447), (408, 50036865), (510, 40029492), (578, 35320140), (612, 33357910), (619, 32980680), (634, 32200380), (680, 30022119), (765, 26686328), (867, 23546760), (951, 21466920), (1020, 20014746), (1156, 17660070), (1224, 16678955), (1238, 16490340), (1268, 16100190), (1445, 14128056), (1530, 13343164), (1585, 12880152), (1734, 11773380), (1857, 10993560), (1902, 10733460), (2040, 10007373), (2312, 8830035), (2476, 8245170), (2536, 8050095), (2601, 7848920), (2853, 7155640), (2890, 7064028), (3060, 6671582), (3095, 6596136), (3170, 6440076), (3468, 5886690), (3714, 5496780), (3804, 5366730), (4335, 4709352), (4755, 4293384), (4952, 4122585), (5202, 3924460), (5389, 3788280), (5571, 3664520), (5706, 3577820), (5780, 3532014), (6120, 3335791), (6190, 3298068), (6340, 3220038), (6936, 2943345), (7428, 2748390), (7608, 2683365), (8670, 2354676), (9285, 2198712), (9510, 2146692), (10404, 1962230), (10523, 1940040), (10778, 1894140), (11142, 1832260), (11412, 1788910), (11560, 1766007), (12380, 1649034), (12680, 1610019), (13005, 1569784), (14265, 1431128), (14856, 1374195), (16167, 1262760), (17340, 1177338), (18570, 1099356), (19020, 1073346), (20808, 981115), (21046, 970020), (21556, 947070), (22284, 916130), (22824, 894455), (24760, 824517), (26010, 784892), (26945, 757656), (27855, 732904), (28530, 715564), (31569, 646680), (32334, 631380), (34680, 588669), (37140, 549678), (38040, 536673), (42092, 485010), (43112, 473535), (44568, 458065), (48501, 420920), (52020, 392446), (52615, 388008), (53890, 378828), (55710, 366452), (57060, 357782), (63138, 323340), (64668, 315690), (74280, 274839), (80835, 252552), (84184, 242505), (91613, 222840), (94707, 215560), (97002, 210460), (104040, 196223), (105230, 194004), (107780, 189414), (111420, 183226), (114120, 178891), (126276, 161670), (129336, 157845)]