18621680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{3023}}^1$

素因数の和:3054

約数の個数: 80

約数和(自身を含む): 53996544

約数和(自身を除く): 35374864

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 176, 220, 280, 308, 385, 440, 560, 616, 770, 880, 1232, 1540, 3023, 3080, 6046, 6160, 12092, 15115, 21161, 24184, 30230, 33253, 42322, 48368, 60460, 66506, 84644, 105805, 120920, 133012, 166265, 169288, 211610, 232771, 241840, 266024, 332530, 338576, 423220, 465542, 532048, 665060, 846440, 931084, 1163855, 1330120, 1692880, 1862168, 2327710, 2660240, 3724336, 4655420, 9310840, 18621680]

約数ペア:

[(1, 18621680), (2, 9310840), (4, 4655420), (5, 3724336), (7, 2660240), (8, 2327710), (10, 1862168), (11, 1692880), (14, 1330120), (16, 1163855), (20, 931084), (22, 846440), (28, 665060), (35, 532048), (40, 465542), (44, 423220), (55, 338576), (56, 332530), (70, 266024), (77, 241840), (80, 232771), (88, 211610), (110, 169288), (112, 166265), (140, 133012), (154, 120920), (176, 105805), (220, 84644), (280, 66506), (308, 60460), (385, 48368), (440, 42322), (560, 33253), (616, 30230), (770, 24184), (880, 21161), (1232, 15115), (1540, 12092), (3023, 6160), (3080, 6046)]