65621360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1$

素因数の和:211

約数の個数: 160

約数和(自身を含む): 189309312

約数和(自身を除く): 123687952

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 56, 61, 68, 70, 80, 85, 112, 113, 119, 122, 136, 140, 170, 226, 238, 244, 272, 280, 305, 340, 427, 452, 476, 488, 560, 565, 595, 610, 680, 791, 854, 904, 952, 976, 1037, 1130, 1190, 1220, 1360, 1582, 1708, 1808, 1904, 1921, 2074, 2135, 2260, 2380, 2440, 3164, 3416, 3842, 3955, 4148, 4270, 4520, 4760, 4880, 5185, 6328, 6832, 6893, 7259, 7684, 7910, 8296, 8540, 9040, 9520, 9605, 10370, 12656, 13447, 13786, 14518, 15368, 15820, 16592, 17080, 19210, 20740, 26894, 27572, 29036, 30736, 31640, 34160, 34465, 36295, 38420, 41480, 48251, 53788, 55144, 58072, 63280, 67235, 68930, 72590, 76840, 82960, 96502, 107576, 110288, 116144, 117181, 134470, 137860, 145180, 153680, 193004, 215152, 234362, 241255, 268940, 275720, 290360, 386008, 468724, 482510, 537880, 551440, 580720, 585905, 772016, 820267, 937448, 965020, 1075760, 1171810, 1640534, 1874896, 1930040, 2343620, 3281068, 3860080, 4101335, 4687240, 6562136, 8202670, 9374480, 13124272, 16405340, 32810680, 65621360]

約数ペア:

[(1, 65621360), (2, 32810680), (4, 16405340), (5, 13124272), (7, 9374480), (8, 8202670), (10, 6562136), (14, 4687240), (16, 4101335), (17, 3860080), (20, 3281068), (28, 2343620), (34, 1930040), (35, 1874896), (40, 1640534), (56, 1171810), (61, 1075760), (68, 965020), (70, 937448), (80, 820267), (85, 772016), (112, 585905), (113, 580720), (119, 551440), (122, 537880), (136, 482510), (140, 468724), (170, 386008), (226, 290360), (238, 275720), (244, 268940), (272, 241255), (280, 234362), (305, 215152), (340, 193004), (427, 153680), (452, 145180), (476, 137860), (488, 134470), (560, 117181), (565, 116144), (595, 110288), (610, 107576), (680, 96502), (791, 82960), (854, 76840), (904, 72590), (952, 68930), (976, 67235), (1037, 63280), (1130, 58072), (1190, 55144), (1220, 53788), (1360, 48251), (1582, 41480), (1708, 38420), (1808, 36295), (1904, 34465), (1921, 34160), (2074, 31640), (2135, 30736), (2260, 29036), (2380, 27572), (2440, 26894), (3164, 20740), (3416, 19210), (3842, 17080), (3955, 16592), (4148, 15820), (4270, 15368), (4520, 14518), (4760, 13786), (4880, 13447), (5185, 12656), (6328, 10370), (6832, 9605), (6893, 9520), (7259, 9040), (7684, 8540), (7910, 8296)]