20809408080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{311}}^1\times {\mathrm{3359}}^1$

素因数の和:3769

約数の個数: 160

約数和(自身を含む): 65515806720

約数和(自身を除く): 44706398640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 83, 120, 166, 240, 249, 311, 332, 415, 498, 622, 664, 830, 933, 996, 1244, 1245, 1328, 1555, 1660, 1866, 1992, 2488, 2490, 3110, 3320, 3359, 3732, 3984, 4665, 4976, 4980, 6220, 6640, 6718, 7464, 9330, 9960, 10077, 12440, 13436, 14928, 16795, 18660, 19920, 20154, 24880, 25813, 26872, 33590, 37320, 40308, 50385, 51626, 53744, 67180, 74640, 77439, 80616, 100770, 103252, 129065, 134360, 154878, 161232, 201540, 206504, 258130, 268720, 278797, 309756, 387195, 403080, 413008, 516260, 557594, 619512, 774390, 806160, 836391, 1032520, 1044649, 1115188, 1239024, 1393985, 1548780, 1672782, 2065040, 2089298, 2230376, 2787970, 3097560, 3133947, 3345564, 4178596, 4181955, 4460752, 5223245, 5575940, 6195120, 6267894, 6691128, 8357192, 8363910, 10446490, 11151880, 12535788, 13382256, 15669735, 16714384, 16727820, 20892980, 22303760, 25071576, 31339470, 33455640, 41785960, 50143152, 62678940, 66911280, 83571920, 86705867, 125357880, 173411734, 250715760, 260117601, 346823468, 433529335, 520235202, 693646936, 867058670, 1040470404, 1300588005, 1387293872, 1734117340, 2080940808, 2601176010, 3468234680, 4161881616, 5202352020, 6936469360, 10404704040, 20809408080]

約数ペア:

[(1, 20809408080), (2, 10404704040), (3, 6936469360), (4, 5202352020), (5, 4161881616), (6, 3468234680), (8, 2601176010), (10, 2080940808), (12, 1734117340), (15, 1387293872), (16, 1300588005), (20, 1040470404), (24, 867058670), (30, 693646936), (40, 520235202), (48, 433529335), (60, 346823468), (80, 260117601), (83, 250715760), (120, 173411734), (166, 125357880), (240, 86705867), (249, 83571920), (311, 66911280), (332, 62678940), (415, 50143152), (498, 41785960), (622, 33455640), (664, 31339470), (830, 25071576), (933, 22303760), (996, 20892980), (1244, 16727820), (1245, 16714384), (1328, 15669735), (1555, 13382256), (1660, 12535788), (1866, 11151880), (1992, 10446490), (2488, 8363910), (2490, 8357192), (3110, 6691128), (3320, 6267894), (3359, 6195120), (3732, 5575940), (3984, 5223245), (4665, 4460752), (4976, 4181955), (4980, 4178596), (6220, 3345564), (6640, 3133947), (6718, 3097560), (7464, 2787970), (9330, 2230376), (9960, 2089298), (10077, 2065040), (12440, 1672782), (13436, 1548780), (14928, 1393985), (16795, 1239024), (18660, 1115188), (19920, 1044649), (20154, 1032520), (24880, 836391), (25813, 806160), (26872, 774390), (33590, 619512), (37320, 557594), (40308, 516260), (50385, 413008), (51626, 403080), (53744, 387195), (67180, 309756), (74640, 278797), (77439, 268720), (80616, 258130), (100770, 206504), (103252, 201540), (129065, 161232), (134360, 154878)]