19799640

素因数分解:

$2^3\times 3^6\times 5^1\times 7^1\times {\mathrm{97}}^1$

素因数の和:133

約数の個数: 224

約数和(自身を含む): 77122080

約数和(自身を除く): 57322440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 81, 84, 90, 97, 105, 108, 120, 126, 135, 140, 162, 168, 180, 189, 194, 210, 216, 243, 252, 270, 280, 291, 315, 324, 360, 378, 388, 405, 420, 485, 486, 504, 540, 567, 582, 630, 648, 679, 729, 756, 776, 810, 840, 873, 945, 970, 972, 1080, 1134, 1164, 1215, 1260, 1358, 1455, 1458, 1512, 1620, 1701, 1746, 1890, 1940, 1944, 2037, 2268, 2328, 2430, 2520, 2619, 2716, 2835, 2910, 2916, 3240, 3395, 3402, 3492, 3645, 3780, 3880, 4074, 4365, 4536, 4860, 5103, 5238, 5432, 5670, 5820, 5832, 6111, 6790, 6804, 6984, 7290, 7560, 7857, 8148, 8505, 8730, 9720, 10185, 10206, 10476, 11340, 11640, 12222, 13095, 13580, 13608, 14580, 15714, 16296, 17010, 17460, 18333, 20370, 20412, 20952, 22680, 23571, 24444, 25515, 26190, 27160, 29160, 30555, 31428, 34020, 34920, 36666, 39285, 40740, 40824, 47142, 48888, 51030, 52380, 54999, 61110, 62856, 68040, 70713, 73332, 78570, 81480, 91665, 94284, 102060, 104760, 109998, 117855, 122220, 141426, 146664, 157140, 164997, 183330, 188568, 204120, 219996, 235710, 244440, 274995, 282852, 314280, 329994, 353565, 366660, 439992, 471420, 494991, 549990, 565704, 659988, 707130, 733320, 824985, 942840, 989982, 1099980, 1319976, 1414260, 1649970, 1979964, 2199960, 2474955, 2828520, 3299940, 3959928, 4949910, 6599880, 9899820, 19799640]

約数ペア:

[(1, 19799640), (2, 9899820), (3, 6599880), (4, 4949910), (5, 3959928), (6, 3299940), (7, 2828520), (8, 2474955), (9, 2199960), (10, 1979964), (12, 1649970), (14, 1414260), (15, 1319976), (18, 1099980), (20, 989982), (21, 942840), (24, 824985), (27, 733320), (28, 707130), (30, 659988), (35, 565704), (36, 549990), (40, 494991), (42, 471420), (45, 439992), (54, 366660), (56, 353565), (60, 329994), (63, 314280), (70, 282852), (72, 274995), (81, 244440), (84, 235710), (90, 219996), (97, 204120), (105, 188568), (108, 183330), (120, 164997), (126, 157140), (135, 146664), (140, 141426), (162, 122220), (168, 117855), (180, 109998), (189, 104760), (194, 102060), (210, 94284), (216, 91665), (243, 81480), (252, 78570), (270, 73332), (280, 70713), (291, 68040), (315, 62856), (324, 61110), (360, 54999), (378, 52380), (388, 51030), (405, 48888), (420, 47142), (485, 40824), (486, 40740), (504, 39285), (540, 36666), (567, 34920), (582, 34020), (630, 31428), (648, 30555), (679, 29160), (729, 27160), (756, 26190), (776, 25515), (810, 24444), (840, 23571), (873, 22680), (945, 20952), (970, 20412), (972, 20370), (1080, 18333), (1134, 17460), (1164, 17010), (1215, 16296), (1260, 15714), (1358, 14580), (1455, 13608), (1458, 13580), (1512, 13095), (1620, 12222), (1701, 11640), (1746, 11340), (1890, 10476), (1940, 10206), (1944, 10185), (2037, 9720), (2268, 8730), (2328, 8505), (2430, 8148), (2520, 7857), (2619, 7560), (2716, 7290), (2835, 6984), (2910, 6804), (2916, 6790), (3240, 6111), (3395, 5832), (3402, 5820), (3492, 5670), (3645, 5432), (3780, 5238), (3880, 5103), (4074, 4860), (4365, 4536)]