2940840

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{389}}^1$

素因数の和:416

約数の個数: 128

約数和(自身を含む): 11232000

約数和(自身を除く): 8291160

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, 252, 270, 280, 315, 360, 378, 389, 420, 504, 540, 630, 756, 778, 840, 945, 1080, 1167, 1260, 1512, 1556, 1890, 1945, 2334, 2520, 2723, 3112, 3501, 3780, 3890, 4668, 5446, 5835, 7002, 7560, 7780, 8169, 9336, 10503, 10892, 11670, 13615, 14004, 15560, 16338, 17505, 21006, 21784, 23340, 24507, 27230, 28008, 32676, 35010, 40845, 42012, 46680, 49014, 52515, 54460, 65352, 70020, 73521, 81690, 84024, 98028, 105030, 108920, 122535, 140040, 147042, 163380, 196056, 210060, 245070, 294084, 326760, 367605, 420120, 490140, 588168, 735210, 980280, 1470420, 2940840]

約数ペア:

[(1, 2940840), (2, 1470420), (3, 980280), (4, 735210), (5, 588168), (6, 490140), (7, 420120), (8, 367605), (9, 326760), (10, 294084), (12, 245070), (14, 210060), (15, 196056), (18, 163380), (20, 147042), (21, 140040), (24, 122535), (27, 108920), (28, 105030), (30, 98028), (35, 84024), (36, 81690), (40, 73521), (42, 70020), (45, 65352), (54, 54460), (56, 52515), (60, 49014), (63, 46680), (70, 42012), (72, 40845), (84, 35010), (90, 32676), (105, 28008), (108, 27230), (120, 24507), (126, 23340), (135, 21784), (140, 21006), (168, 17505), (180, 16338), (189, 15560), (210, 14004), (216, 13615), (252, 11670), (270, 10892), (280, 10503), (315, 9336), (360, 8169), (378, 7780), (389, 7560), (420, 7002), (504, 5835), (540, 5446), (630, 4668), (756, 3890), (778, 3780), (840, 3501), (945, 3112), (1080, 2723), (1167, 2520), (1260, 2334), (1512, 1945), (1556, 1890)]