1640256960

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{74287}}^1$

素因数の和:74330

約数の個数: 112

約数和(自身を含む): 5434315776

約数和(自身を除く): 3794058816

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 64, 69, 80, 92, 96, 115, 120, 138, 160, 184, 192, 230, 240, 276, 320, 345, 368, 460, 480, 552, 690, 736, 920, 960, 1104, 1380, 1472, 1840, 2208, 2760, 3680, 4416, 5520, 7360, 11040, 22080, 74287, 148574, 222861, 297148, 371435, 445722, 594296, 742870, 891444, 1114305, 1188592, 1485740, 1708601, 1782888, 2228610, 2377184, 2971480, 3417202, 3565776, 4457220, 4754368, 5125803, 5942960, 6834404, 7131552, 8543005, 8914440, 10251606, 11885920, 13668808, 14263104, 17086010, 17828880, 20503212, 23771840, 25629015, 27337616, 34172020, 35657760, 41006424, 51258030, 54675232, 68344040, 71315520, 82012848, 102516060, 109350464, 136688080, 164025696, 205032120, 273376160, 328051392, 410064240, 546752320, 820128480, 1640256960]

約数ペア:

[(1, 1640256960), (2, 820128480), (3, 546752320), (4, 410064240), (5, 328051392), (6, 273376160), (8, 205032120), (10, 164025696), (12, 136688080), (15, 109350464), (16, 102516060), (20, 82012848), (23, 71315520), (24, 68344040), (30, 54675232), (32, 51258030), (40, 41006424), (46, 35657760), (48, 34172020), (60, 27337616), (64, 25629015), (69, 23771840), (80, 20503212), (92, 17828880), (96, 17086010), (115, 14263104), (120, 13668808), (138, 11885920), (160, 10251606), (184, 8914440), (192, 8543005), (230, 7131552), (240, 6834404), (276, 5942960), (320, 5125803), (345, 4754368), (368, 4457220), (460, 3565776), (480, 3417202), (552, 2971480), (690, 2377184), (736, 2228610), (920, 1782888), (960, 1708601), (1104, 1485740), (1380, 1188592), (1472, 1114305), (1840, 891444), (2208, 742870), (2760, 594296), (3680, 445722), (4416, 371435), (5520, 297148), (7360, 222861), (11040, 148574), (22080, 74287)]