320002956

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:221

約数の個数: 288

約数和(自身を含む): 1080188928

約数和(自身を除く): 760185972

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 23, 26, 28, 31, 36, 39, 42, 46, 52, 62, 63, 69, 78, 84, 91, 92, 93, 117, 124, 126, 137, 138, 156, 161, 182, 186, 207, 217, 234, 252, 273, 274, 276, 279, 299, 322, 364, 372, 403, 411, 414, 434, 468, 483, 546, 548, 558, 598, 644, 651, 713, 806, 819, 822, 828, 868, 897, 959, 966, 1092, 1116, 1196, 1209, 1233, 1302, 1426, 1449, 1612, 1638, 1644, 1781, 1794, 1918, 1932, 1953, 2093, 2139, 2418, 2466, 2604, 2691, 2821, 2852, 2877, 2898, 3151, 3276, 3562, 3588, 3627, 3836, 3906, 4186, 4247, 4278, 4836, 4932, 4991, 5343, 5382, 5642, 5754, 5796, 6279, 6302, 6417, 7124, 7254, 7812, 8372, 8463, 8494, 8556, 8631, 9269, 9453, 9982, 10686, 10764, 11284, 11508, 12467, 12558, 12604, 12741, 12834, 14508, 14973, 16029, 16926, 16988, 17262, 18538, 18837, 18906, 19964, 21372, 22057, 24934, 25116, 25389, 25482, 25668, 27807, 28359, 29729, 29946, 32058, 33852, 34524, 37076, 37401, 37674, 37812, 38223, 40963, 44114, 44919, 49868, 50778, 50964, 55211, 55614, 56718, 59458, 59892, 64116, 64883, 66171, 74802, 75348, 76446, 81926, 83421, 88228, 89187, 89838, 97681, 101556, 110422, 111228, 112203, 113436, 118916, 122889, 129766, 132342, 149604, 152892, 163852, 165633, 166842, 178374, 179676, 194649, 195362, 198513, 220844, 224406, 245778, 259532, 264684, 267561, 286741, 293043, 331266, 333684, 356748, 368667, 386477, 389298, 390724, 397026, 448812, 491556, 496899, 535122, 573482, 583947, 586086, 662532, 683767, 737334, 772954, 778596, 794052, 860223, 879129, 993798, 1070244, 1146964, 1159431, 1167894, 1172172, 1269853, 1367534, 1474668, 1545908, 1720446, 1758258, 1987596, 2051301, 2318862, 2335788, 2539706, 2580669, 2735068, 3440892, 3478293, 3516516, 3809559, 4102602, 4637724, 5079412, 5161338, 6153903, 6956586, 7619118, 8205204, 8888971, 10322676, 11428677, 12307806, 13913172, 15238236, 17777942, 22857354, 24615612, 26666913, 35555884, 45714708, 53333826, 80000739, 106667652, 160001478, 320002956]

約数ペア:

[(1, 320002956), (2, 160001478), (3, 106667652), (4, 80000739), (6, 53333826), (7, 45714708), (9, 35555884), (12, 26666913), (13, 24615612), (14, 22857354), (18, 17777942), (21, 15238236), (23, 13913172), (26, 12307806), (28, 11428677), (31, 10322676), (36, 8888971), (39, 8205204), (42, 7619118), (46, 6956586), (52, 6153903), (62, 5161338), (63, 5079412), (69, 4637724), (78, 4102602), (84, 3809559), (91, 3516516), (92, 3478293), (93, 3440892), (117, 2735068), (124, 2580669), (126, 2539706), (137, 2335788), (138, 2318862), (156, 2051301), (161, 1987596), (182, 1758258), (186, 1720446), (207, 1545908), (217, 1474668), (234, 1367534), (252, 1269853), (273, 1172172), (274, 1167894), (276, 1159431), (279, 1146964), (299, 1070244), (322, 993798), (364, 879129), (372, 860223), (403, 794052), (411, 778596), (414, 772954), (434, 737334), (468, 683767), (483, 662532), (546, 586086), (548, 583947), (558, 573482), (598, 535122), (644, 496899), (651, 491556), (713, 448812), (806, 397026), (819, 390724), (822, 389298), (828, 386477), (868, 368667), (897, 356748), (959, 333684), (966, 331266), (1092, 293043), (1116, 286741), (1196, 267561), (1209, 264684), (1233, 259532), (1302, 245778), (1426, 224406), (1449, 220844), (1612, 198513), (1638, 195362), (1644, 194649), (1781, 179676), (1794, 178374), (1918, 166842), (1932, 165633), (1953, 163852), (2093, 152892), (2139, 149604), (2418, 132342), (2466, 129766), (2604, 122889), (2691, 118916), (2821, 113436), (2852, 112203), (2877, 111228), (2898, 110422), (3151, 101556), (3276, 97681), (3562, 89838), (3588, 89187), (3627, 88228), (3836, 83421), (3906, 81926), (4186, 76446), (4247, 75348), (4278, 74802), (4836, 66171), (4932, 64883), (4991, 64116), (5343, 59892), (5382, 59458), (5642, 56718), (5754, 55614), (5796, 55211), (6279, 50964), (6302, 50778), (6417, 49868), (7124, 44919), (7254, 44114), (7812, 40963), (8372, 38223), (8463, 37812), (8494, 37674), (8556, 37401), (8631, 37076), (9269, 34524), (9453, 33852), (9982, 32058), (10686, 29946), (10764, 29729), (11284, 28359), (11508, 27807), (12467, 25668), (12558, 25482), (12604, 25389), (12741, 25116), (12834, 24934), (14508, 22057), (14973, 21372), (16029, 19964), (16926, 18906), (16988, 18837), (17262, 18538)]