16621920

素因数分解:

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

素因数の和:142

約数の個数: 288

約数和(自身を含む): 69346368

約数和(自身を除く): 52724448

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 17, 18, 20, 21, 24, 28, 30, 32, 34, 35, 36, 40, 42, 45, 48, 51, 56, 60, 63, 68, 70, 72, 80, 84, 85, 90, 96, 97, 102, 105, 112, 119, 120, 126, 136, 140, 144, 153, 160, 168, 170, 180, 194, 204, 210, 224, 238, 240, 252, 255, 272, 280, 288, 291, 306, 315, 336, 340, 357, 360, 388, 408, 420, 476, 480, 485, 504, 510, 544, 560, 582, 595, 612, 630, 672, 679, 680, 714, 720, 765, 776, 816, 840, 873, 952, 970, 1008, 1020, 1071, 1120, 1164, 1190, 1224, 1260, 1358, 1360, 1428, 1440, 1455, 1530, 1552, 1632, 1649, 1680, 1746, 1785, 1904, 1940, 2016, 2037, 2040, 2142, 2328, 2380, 2448, 2520, 2716, 2720, 2856, 2910, 3060, 3104, 3298, 3360, 3395, 3492, 3570, 3808, 3880, 4074, 4080, 4284, 4365, 4656, 4760, 4896, 4947, 5040, 5355, 5432, 5712, 5820, 6111, 6120, 6596, 6790, 6984, 7140, 7760, 8148, 8160, 8245, 8568, 8730, 9312, 9520, 9894, 10080, 10185, 10710, 10864, 11424, 11543, 11640, 12222, 12240, 13192, 13580, 13968, 14280, 14841, 15520, 16296, 16490, 17136, 17460, 19040, 19788, 20370, 21420, 21728, 23086, 23280, 24444, 24480, 24735, 26384, 27160, 27936, 28560, 29682, 30555, 32592, 32980, 34272, 34629, 34920, 39576, 40740, 42840, 46172, 46560, 48888, 49470, 52768, 54320, 57120, 57715, 59364, 61110, 65184, 65960, 69258, 69840, 74205, 79152, 81480, 85680, 92344, 97776, 98940, 103887, 108640, 115430, 118728, 122220, 131920, 138516, 139680, 148410, 158304, 162960, 171360, 173145, 184688, 195552, 197880, 207774, 230860, 237456, 244440, 263840, 277032, 296820, 325920, 346290, 369376, 395760, 415548, 461720, 474912, 488880, 519435, 554064, 593640, 692580, 791520, 831096, 923440, 977760, 1038870, 1108128, 1187280, 1385160, 1662192, 1846880, 2077740, 2374560, 2770320, 3324384, 4155480, 5540640, 8310960, 16621920]

約数ペア:

[(1, 16621920), (2, 8310960), (3, 5540640), (4, 4155480), (5, 3324384), (6, 2770320), (7, 2374560), (8, 2077740), (9, 1846880), (10, 1662192), (12, 1385160), (14, 1187280), (15, 1108128), (16, 1038870), (17, 977760), (18, 923440), (20, 831096), (21, 791520), (24, 692580), (28, 593640), (30, 554064), (32, 519435), (34, 488880), (35, 474912), (36, 461720), (40, 415548), (42, 395760), (45, 369376), (48, 346290), (51, 325920), (56, 296820), (60, 277032), (63, 263840), (68, 244440), (70, 237456), (72, 230860), (80, 207774), (84, 197880), (85, 195552), (90, 184688), (96, 173145), (97, 171360), (102, 162960), (105, 158304), (112, 148410), (119, 139680), (120, 138516), (126, 131920), (136, 122220), (140, 118728), (144, 115430), (153, 108640), (160, 103887), (168, 98940), (170, 97776), (180, 92344), (194, 85680), (204, 81480), (210, 79152), (224, 74205), (238, 69840), (240, 69258), (252, 65960), (255, 65184), (272, 61110), (280, 59364), (288, 57715), (291, 57120), (306, 54320), (315, 52768), (336, 49470), (340, 48888), (357, 46560), (360, 46172), (388, 42840), (408, 40740), (420, 39576), (476, 34920), (480, 34629), (485, 34272), (504, 32980), (510, 32592), (544, 30555), (560, 29682), (582, 28560), (595, 27936), (612, 27160), (630, 26384), (672, 24735), (679, 24480), (680, 24444), (714, 23280), (720, 23086), (765, 21728), (776, 21420), (816, 20370), (840, 19788), (873, 19040), (952, 17460), (970, 17136), (1008, 16490), (1020, 16296), (1071, 15520), (1120, 14841), (1164, 14280), (1190, 13968), (1224, 13580), (1260, 13192), (1358, 12240), (1360, 12222), (1428, 11640), (1440, 11543), (1455, 11424), (1530, 10864), (1552, 10710), (1632, 10185), (1649, 10080), (1680, 9894), (1746, 9520), (1785, 9312), (1904, 8730), (1940, 8568), (2016, 8245), (2037, 8160), (2040, 8148), (2142, 7760), (2328, 7140), (2380, 6984), (2448, 6790), (2520, 6596), (2716, 6120), (2720, 6111), (2856, 5820), (2910, 5712), (3060, 5432), (3104, 5355), (3298, 5040), (3360, 4947), (3395, 4896), (3492, 4760), (3570, 4656), (3808, 4365), (3880, 4284), (4074, 4080)]