8020181988

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{523}}^1$

素因数の和:735

約数の個数: 288

約数和(自身を含む): 25976717312

約数和(自身を除く): 17956535324

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 31, 36, 39, 42, 52, 62, 63, 78, 84, 91, 93, 117, 124, 126, 151, 156, 182, 186, 217, 234, 252, 273, 279, 302, 364, 372, 403, 434, 453, 468, 523, 546, 558, 604, 651, 806, 819, 868, 906, 1046, 1057, 1092, 1116, 1209, 1302, 1359, 1569, 1612, 1638, 1812, 1953, 1963, 2092, 2114, 2418, 2604, 2718, 2821, 3138, 3171, 3276, 3627, 3661, 3906, 3926, 4228, 4681, 4707, 4836, 5436, 5642, 5889, 6276, 6342, 6799, 7254, 7322, 7812, 7852, 8463, 9362, 9414, 9513, 10983, 11284, 11778, 12684, 13598, 13741, 14043, 14508, 14644, 16213, 16926, 17667, 18724, 18828, 19026, 20397, 21966, 23556, 25389, 27196, 27482, 28086, 32426, 32767, 32949, 33852, 35334, 38052, 40794, 41223, 42129, 43932, 47593, 48639, 50778, 54964, 56172, 60853, 61191, 64852, 65534, 65898, 70668, 78973, 81588, 82446, 84258, 95186, 97278, 98301, 101556, 113491, 121706, 122382, 123669, 131068, 131796, 142779, 145917, 157946, 164892, 168516, 182559, 190372, 194556, 196602, 210769, 226982, 236919, 243412, 244764, 247338, 285558, 291834, 294903, 315892, 340473, 365118, 393204, 421538, 425971, 428337, 453964, 473838, 494676, 547677, 552811, 571116, 583668, 589806, 632307, 680946, 710757, 730236, 843076, 851942, 856674, 947676, 1021419, 1026649, 1095354, 1105622, 1179612, 1264614, 1277913, 1361892, 1421514, 1475383, 1658433, 1703884, 1713348, 1896921, 2042838, 2053298, 2190708, 2211244, 2448163, 2529228, 2555826, 2843028, 2950766, 3079947, 3316866, 3793842, 3833739, 4085676, 4106596, 4426149, 4896326, 4975299, 5111652, 5901532, 6159894, 6633732, 7186543, 7344489, 7587684, 7667478, 8852298, 9239841, 9792652, 9950598, 12319788, 13278447, 14373086, 14688978, 15334956, 17137141, 17704596, 18479682, 19901196, 21559629, 22033467, 26556894, 28746172, 29377956, 31826119, 34274282, 36959364, 43119258, 44066934, 51411423, 53113788, 63652238, 64678887, 68548564, 86238516, 88133868, 95478357, 102822846, 127304476, 129357774, 154234269, 190956714, 205645692, 222782833, 258715548, 286435071, 308468538, 381913428, 445565666, 572870142, 616937076, 668348499, 891131332, 1145740284, 1336696998, 2005045497, 2673393996, 4010090994, 8020181988]

約数ペア:

[(1, 8020181988), (2, 4010090994), (3, 2673393996), (4, 2005045497), (6, 1336696998), (7, 1145740284), (9, 891131332), (12, 668348499), (13, 616937076), (14, 572870142), (18, 445565666), (21, 381913428), (26, 308468538), (28, 286435071), (31, 258715548), (36, 222782833), (39, 205645692), (42, 190956714), (52, 154234269), (62, 129357774), (63, 127304476), (78, 102822846), (84, 95478357), (91, 88133868), (93, 86238516), (117, 68548564), (124, 64678887), (126, 63652238), (151, 53113788), (156, 51411423), (182, 44066934), (186, 43119258), (217, 36959364), (234, 34274282), (252, 31826119), (273, 29377956), (279, 28746172), (302, 26556894), (364, 22033467), (372, 21559629), (403, 19901196), (434, 18479682), (453, 17704596), (468, 17137141), (523, 15334956), (546, 14688978), (558, 14373086), (604, 13278447), (651, 12319788), (806, 9950598), (819, 9792652), (868, 9239841), (906, 8852298), (1046, 7667478), (1057, 7587684), (1092, 7344489), (1116, 7186543), (1209, 6633732), (1302, 6159894), (1359, 5901532), (1569, 5111652), (1612, 4975299), (1638, 4896326), (1812, 4426149), (1953, 4106596), (1963, 4085676), (2092, 3833739), (2114, 3793842), (2418, 3316866), (2604, 3079947), (2718, 2950766), (2821, 2843028), (3138, 2555826), (3171, 2529228), (3276, 2448163), (3627, 2211244), (3661, 2190708), (3906, 2053298), (3926, 2042838), (4228, 1896921), (4681, 1713348), (4707, 1703884), (4836, 1658433), (5436, 1475383), (5642, 1421514), (5889, 1361892), (6276, 1277913), (6342, 1264614), (6799, 1179612), (7254, 1105622), (7322, 1095354), (7812, 1026649), (7852, 1021419), (8463, 947676), (9362, 856674), (9414, 851942), (9513, 843076), (10983, 730236), (11284, 710757), (11778, 680946), (12684, 632307), (13598, 589806), (13741, 583668), (14043, 571116), (14508, 552811), (14644, 547677), (16213, 494676), (16926, 473838), (17667, 453964), (18724, 428337), (18828, 425971), (19026, 421538), (20397, 393204), (21966, 365118), (23556, 340473), (25389, 315892), (27196, 294903), (27482, 291834), (28086, 285558), (32426, 247338), (32767, 244764), (32949, 243412), (33852, 236919), (35334, 226982), (38052, 210769), (40794, 196602), (41223, 194556), (42129, 190372), (43932, 182559), (47593, 168516), (48639, 164892), (50778, 157946), (54964, 145917), (56172, 142779), (60853, 131796), (61191, 131068), (64852, 123669), (65534, 122382), (65898, 121706), (70668, 113491), (78973, 101556), (81588, 98301), (82446, 97278), (84258, 95186)]