2181960

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1$

素因数の和:76

約数の個数: 192

約数和(自身を含む): 8424000

約数和(自身を除く): 6242040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 19, 20, 22, 24, 29, 30, 33, 36, 38, 40, 44, 45, 55, 57, 58, 60, 66, 72, 76, 87, 88, 90, 95, 99, 110, 114, 116, 120, 132, 145, 152, 165, 171, 174, 180, 190, 198, 209, 220, 228, 232, 261, 264, 285, 290, 319, 330, 342, 348, 360, 380, 396, 418, 435, 440, 456, 495, 522, 551, 570, 580, 627, 638, 660, 684, 696, 760, 792, 836, 855, 870, 957, 990, 1044, 1045, 1102, 1140, 1160, 1254, 1276, 1305, 1320, 1368, 1595, 1653, 1672, 1710, 1740, 1881, 1914, 1980, 2088, 2090, 2204, 2280, 2508, 2552, 2610, 2755, 2871, 3135, 3190, 3306, 3420, 3480, 3762, 3828, 3960, 4180, 4408, 4785, 4959, 5016, 5220, 5510, 5742, 6061, 6270, 6380, 6612, 6840, 7524, 7656, 8265, 8360, 9405, 9570, 9918, 10440, 11020, 11484, 12122, 12540, 12760, 13224, 14355, 15048, 16530, 18183, 18810, 19140, 19836, 22040, 22968, 24244, 24795, 25080, 28710, 30305, 33060, 36366, 37620, 38280, 39672, 48488, 49590, 54549, 57420, 60610, 66120, 72732, 75240, 90915, 99180, 109098, 114840, 121220, 145464, 181830, 198360, 218196, 242440, 272745, 363660, 436392, 545490, 727320, 1090980, 2181960]

約数ペア:

[(1, 2181960), (2, 1090980), (3, 727320), (4, 545490), (5, 436392), (6, 363660), (8, 272745), (9, 242440), (10, 218196), (11, 198360), (12, 181830), (15, 145464), (18, 121220), (19, 114840), (20, 109098), (22, 99180), (24, 90915), (29, 75240), (30, 72732), (33, 66120), (36, 60610), (38, 57420), (40, 54549), (44, 49590), (45, 48488), (55, 39672), (57, 38280), (58, 37620), (60, 36366), (66, 33060), (72, 30305), (76, 28710), (87, 25080), (88, 24795), (90, 24244), (95, 22968), (99, 22040), (110, 19836), (114, 19140), (116, 18810), (120, 18183), (132, 16530), (145, 15048), (152, 14355), (165, 13224), (171, 12760), (174, 12540), (180, 12122), (190, 11484), (198, 11020), (209, 10440), (220, 9918), (228, 9570), (232, 9405), (261, 8360), (264, 8265), (285, 7656), (290, 7524), (319, 6840), (330, 6612), (342, 6380), (348, 6270), (360, 6061), (380, 5742), (396, 5510), (418, 5220), (435, 5016), (440, 4959), (456, 4785), (495, 4408), (522, 4180), (551, 3960), (570, 3828), (580, 3762), (627, 3480), (638, 3420), (660, 3306), (684, 3190), (696, 3135), (760, 2871), (792, 2755), (836, 2610), (855, 2552), (870, 2508), (957, 2280), (990, 2204), (1044, 2090), (1045, 2088), (1102, 1980), (1140, 1914), (1160, 1881), (1254, 1740), (1276, 1710), (1305, 1672), (1320, 1653), (1368, 1595)]