18699660

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1$

素因数の和:142

約数の個数: 240

約数和(自身を含む): 71717184

約数和(自身を除く): 53017524

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 27, 28, 30, 34, 35, 36, 42, 45, 51, 54, 60, 63, 68, 70, 81, 84, 85, 90, 97, 102, 105, 108, 119, 126, 135, 140, 153, 162, 170, 180, 189, 194, 204, 210, 238, 252, 255, 270, 291, 306, 315, 324, 340, 357, 378, 388, 405, 420, 459, 476, 485, 510, 540, 567, 582, 595, 612, 630, 679, 714, 756, 765, 810, 873, 918, 945, 970, 1020, 1071, 1134, 1164, 1190, 1260, 1358, 1377, 1428, 1455, 1530, 1620, 1649, 1746, 1785, 1836, 1890, 1940, 2037, 2142, 2268, 2295, 2380, 2619, 2716, 2754, 2835, 2910, 3060, 3213, 3298, 3395, 3492, 3570, 3780, 4074, 4284, 4365, 4590, 4947, 5238, 5355, 5508, 5670, 5820, 6111, 6426, 6596, 6790, 6885, 7140, 7857, 8148, 8245, 8730, 9180, 9639, 9894, 10185, 10476, 10710, 11340, 11543, 12222, 12852, 13095, 13580, 13770, 14841, 15714, 16065, 16490, 17460, 18333, 19278, 19788, 20370, 21420, 23086, 24444, 24735, 26190, 27540, 29682, 30555, 31428, 32130, 32980, 34629, 36666, 38556, 39285, 40740, 44523, 46172, 48195, 49470, 52380, 54999, 57715, 59364, 61110, 64260, 69258, 73332, 74205, 78570, 89046, 91665, 96390, 98940, 103887, 109998, 115430, 122220, 133569, 138516, 148410, 157140, 173145, 178092, 183330, 192780, 207774, 219996, 222615, 230860, 267138, 274995, 296820, 311661, 346290, 366660, 415548, 445230, 519435, 534276, 549990, 623322, 667845, 692580, 890460, 934983, 1038870, 1099980, 1246644, 1335690, 1558305, 1869966, 2077740, 2671380, 3116610, 3739932, 4674915, 6233220, 9349830, 18699660]

約数ペア:

[(1, 18699660), (2, 9349830), (3, 6233220), (4, 4674915), (5, 3739932), (6, 3116610), (7, 2671380), (9, 2077740), (10, 1869966), (12, 1558305), (14, 1335690), (15, 1246644), (17, 1099980), (18, 1038870), (20, 934983), (21, 890460), (27, 692580), (28, 667845), (30, 623322), (34, 549990), (35, 534276), (36, 519435), (42, 445230), (45, 415548), (51, 366660), (54, 346290), (60, 311661), (63, 296820), (68, 274995), (70, 267138), (81, 230860), (84, 222615), (85, 219996), (90, 207774), (97, 192780), (102, 183330), (105, 178092), (108, 173145), (119, 157140), (126, 148410), (135, 138516), (140, 133569), (153, 122220), (162, 115430), (170, 109998), (180, 103887), (189, 98940), (194, 96390), (204, 91665), (210, 89046), (238, 78570), (252, 74205), (255, 73332), (270, 69258), (291, 64260), (306, 61110), (315, 59364), (324, 57715), (340, 54999), (357, 52380), (378, 49470), (388, 48195), (405, 46172), (420, 44523), (459, 40740), (476, 39285), (485, 38556), (510, 36666), (540, 34629), (567, 32980), (582, 32130), (595, 31428), (612, 30555), (630, 29682), (679, 27540), (714, 26190), (756, 24735), (765, 24444), (810, 23086), (873, 21420), (918, 20370), (945, 19788), (970, 19278), (1020, 18333), (1071, 17460), (1134, 16490), (1164, 16065), (1190, 15714), (1260, 14841), (1358, 13770), (1377, 13580), (1428, 13095), (1455, 12852), (1530, 12222), (1620, 11543), (1649, 11340), (1746, 10710), (1785, 10476), (1836, 10185), (1890, 9894), (1940, 9639), (2037, 9180), (2142, 8730), (2268, 8245), (2295, 8148), (2380, 7857), (2619, 7140), (2716, 6885), (2754, 6790), (2835, 6596), (2910, 6426), (3060, 6111), (3213, 5820), (3298, 5670), (3395, 5508), (3492, 5355), (3570, 5238), (3780, 4947), (4074, 4590), (4284, 4365)]