1661440

素因数分解:

$2^9\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1$

素因数の和:93

約数の個数: 80

約数和(自身を含む): 4419360

約数和(自身を除く): 2757920

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 59, 64, 80, 88, 110, 118, 128, 160, 176, 220, 236, 256, 295, 320, 352, 440, 472, 512, 590, 640, 649, 704, 880, 944, 1180, 1280, 1298, 1408, 1760, 1888, 2360, 2560, 2596, 2816, 3245, 3520, 3776, 4720, 5192, 5632, 6490, 7040, 7552, 9440, 10384, 12980, 14080, 15104, 18880, 20768, 25960, 28160, 30208, 37760, 41536, 51920, 75520, 83072, 103840, 151040, 166144, 207680, 332288, 415360, 830720, 1661440]

約数ペア:

[(1, 1661440), (2, 830720), (4, 415360), (5, 332288), (8, 207680), (10, 166144), (11, 151040), (16, 103840), (20, 83072), (22, 75520), (32, 51920), (40, 41536), (44, 37760), (55, 30208), (59, 28160), (64, 25960), (80, 20768), (88, 18880), (110, 15104), (118, 14080), (128, 12980), (160, 10384), (176, 9440), (220, 7552), (236, 7040), (256, 6490), (295, 5632), (320, 5192), (352, 4720), (440, 3776), (472, 3520), (512, 3245), (590, 2816), (640, 2596), (649, 2560), (704, 2360), (880, 1888), (944, 1760), (1180, 1408), (1280, 1298)]