280381860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{257}}^1$

素因数の和:331

約数の個数: 288

約数和(自身を含む): 1014249600

約数和(自身を除く): 733867740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 19, 20, 22, 29, 30, 33, 36, 38, 44, 45, 55, 57, 58, 60, 66, 76, 87, 90, 95, 99, 110, 114, 116, 132, 145, 165, 171, 174, 180, 190, 198, 209, 220, 228, 257, 261, 285, 290, 319, 330, 342, 348, 380, 396, 418, 435, 495, 514, 522, 551, 570, 580, 627, 638, 660, 684, 771, 836, 855, 870, 957, 990, 1028, 1044, 1045, 1102, 1140, 1254, 1276, 1285, 1305, 1542, 1595, 1653, 1710, 1740, 1881, 1914, 1980, 2090, 2204, 2313, 2508, 2570, 2610, 2755, 2827, 2871, 3084, 3135, 3190, 3306, 3420, 3762, 3828, 3855, 4180, 4626, 4785, 4883, 4959, 5140, 5220, 5510, 5654, 5742, 6061, 6270, 6380, 6612, 7453, 7524, 7710, 8265, 8481, 9252, 9405, 9570, 9766, 9918, 11020, 11308, 11484, 11565, 12122, 12540, 14135, 14355, 14649, 14906, 15420, 16530, 16962, 18183, 18810, 19140, 19532, 19836, 22359, 23130, 24244, 24415, 24795, 25443, 28270, 28710, 29298, 29812, 30305, 33060, 33924, 36366, 37265, 37620, 42405, 43947, 44718, 46260, 48830, 49590, 50886, 53713, 54549, 56540, 57420, 58596, 60610, 67077, 72732, 73245, 74530, 81983, 84810, 87894, 89436, 90915, 97660, 99180, 101772, 107426, 109098, 111795, 121220, 127215, 134154, 141607, 146490, 149060, 161139, 163966, 169620, 175788, 181830, 214852, 218196, 219735, 223590, 245949, 254430, 268308, 268565, 272745, 283214, 292980, 322278, 327932, 335385, 363660, 409915, 424821, 439470, 447180, 483417, 491898, 508860, 537130, 545490, 566428, 644556, 670770, 708035, 737847, 805695, 819830, 849642, 878940, 966834, 983796, 1074260, 1090980, 1229745, 1274463, 1341540, 1416070, 1475694, 1557677, 1611390, 1639660, 1699284, 1933668, 2124105, 2417085, 2459490, 2548926, 2832140, 2951388, 3115354, 3222780, 3689235, 4248210, 4673031, 4834170, 4918980, 5097852, 6230708, 6372315, 7378470, 7788385, 8496420, 9346062, 9668340, 12744630, 14019093, 14756940, 15576770, 18692124, 23365155, 25489260, 28038186, 31153540, 46730310, 56076372, 70095465, 93460620, 140190930, 280381860]

約数ペア:

[(1, 280381860), (2, 140190930), (3, 93460620), (4, 70095465), (5, 56076372), (6, 46730310), (9, 31153540), (10, 28038186), (11, 25489260), (12, 23365155), (15, 18692124), (18, 15576770), (19, 14756940), (20, 14019093), (22, 12744630), (29, 9668340), (30, 9346062), (33, 8496420), (36, 7788385), (38, 7378470), (44, 6372315), (45, 6230708), (55, 5097852), (57, 4918980), (58, 4834170), (60, 4673031), (66, 4248210), (76, 3689235), (87, 3222780), (90, 3115354), (95, 2951388), (99, 2832140), (110, 2548926), (114, 2459490), (116, 2417085), (132, 2124105), (145, 1933668), (165, 1699284), (171, 1639660), (174, 1611390), (180, 1557677), (190, 1475694), (198, 1416070), (209, 1341540), (220, 1274463), (228, 1229745), (257, 1090980), (261, 1074260), (285, 983796), (290, 966834), (319, 878940), (330, 849642), (342, 819830), (348, 805695), (380, 737847), (396, 708035), (418, 670770), (435, 644556), (495, 566428), (514, 545490), (522, 537130), (551, 508860), (570, 491898), (580, 483417), (627, 447180), (638, 439470), (660, 424821), (684, 409915), (771, 363660), (836, 335385), (855, 327932), (870, 322278), (957, 292980), (990, 283214), (1028, 272745), (1044, 268565), (1045, 268308), (1102, 254430), (1140, 245949), (1254, 223590), (1276, 219735), (1285, 218196), (1305, 214852), (1542, 181830), (1595, 175788), (1653, 169620), (1710, 163966), (1740, 161139), (1881, 149060), (1914, 146490), (1980, 141607), (2090, 134154), (2204, 127215), (2313, 121220), (2508, 111795), (2570, 109098), (2610, 107426), (2755, 101772), (2827, 99180), (2871, 97660), (3084, 90915), (3135, 89436), (3190, 87894), (3306, 84810), (3420, 81983), (3762, 74530), (3828, 73245), (3855, 72732), (4180, 67077), (4626, 60610), (4785, 58596), (4883, 57420), (4959, 56540), (5140, 54549), (5220, 53713), (5510, 50886), (5654, 49590), (5742, 48830), (6061, 46260), (6270, 44718), (6380, 43947), (6612, 42405), (7453, 37620), (7524, 37265), (7710, 36366), (8265, 33924), (8481, 33060), (9252, 30305), (9405, 29812), (9570, 29298), (9766, 28710), (9918, 28270), (11020, 25443), (11308, 24795), (11484, 24415), (11565, 24244), (12122, 23130), (12540, 22359), (14135, 19836), (14355, 19532), (14649, 19140), (14906, 18810), (15420, 18183), (16530, 16962)]