1821960

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{241}}^1$

素因数の和:268

約数の個数: 128

約数和(自身を含む): 6969600

約数和(自身を除く): 5147640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 241, 252, 270, 280, 315, 360, 378, 420, 482, 504, 540, 630, 723, 756, 840, 945, 964, 1080, 1205, 1260, 1446, 1512, 1687, 1890, 1928, 2169, 2410, 2520, 2892, 3374, 3615, 3780, 4338, 4820, 5061, 5784, 6507, 6748, 7230, 7560, 8435, 8676, 9640, 10122, 10845, 13014, 13496, 14460, 15183, 16870, 17352, 20244, 21690, 25305, 26028, 28920, 30366, 32535, 33740, 40488, 43380, 45549, 50610, 52056, 60732, 65070, 67480, 75915, 86760, 91098, 101220, 121464, 130140, 151830, 182196, 202440, 227745, 260280, 303660, 364392, 455490, 607320, 910980, 1821960]

約数ペア:

[(1, 1821960), (2, 910980), (3, 607320), (4, 455490), (5, 364392), (6, 303660), (7, 260280), (8, 227745), (9, 202440), (10, 182196), (12, 151830), (14, 130140), (15, 121464), (18, 101220), (20, 91098), (21, 86760), (24, 75915), (27, 67480), (28, 65070), (30, 60732), (35, 52056), (36, 50610), (40, 45549), (42, 43380), (45, 40488), (54, 33740), (56, 32535), (60, 30366), (63, 28920), (70, 26028), (72, 25305), (84, 21690), (90, 20244), (105, 17352), (108, 16870), (120, 15183), (126, 14460), (135, 13496), (140, 13014), (168, 10845), (180, 10122), (189, 9640), (210, 8676), (216, 8435), (241, 7560), (252, 7230), (270, 6748), (280, 6507), (315, 5784), (360, 5061), (378, 4820), (420, 4338), (482, 3780), (504, 3615), (540, 3374), (630, 2892), (723, 2520), (756, 2410), (840, 2169), (945, 1928), (964, 1890), (1080, 1687), (1205, 1512), (1260, 1446)]