487942740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{691}}^1\times {\mathrm{3923}}^1$

素因数の和:4629

約数の個数: 72

約数和(自身を含む): 1482612768

約数和(自身を除く): 994670028

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 691, 1382, 2073, 2764, 3455, 3923, 4146, 6219, 6910, 7846, 8292, 10365, 11769, 12438, 13820, 15692, 19615, 20730, 23538, 24876, 31095, 35307, 39230, 41460, 47076, 58845, 62190, 70614, 78460, 117690, 124380, 141228, 176535, 235380, 353070, 706140, 2710793, 5421586, 8132379, 10843172, 13553965, 16264758, 24397137, 27107930, 32529516, 40661895, 48794274, 54215860, 81323790, 97588548, 121985685, 162647580, 243971370, 487942740]

約数ペア:

[(1, 487942740), (2, 243971370), (3, 162647580), (4, 121985685), (5, 97588548), (6, 81323790), (9, 54215860), (10, 48794274), (12, 40661895), (15, 32529516), (18, 27107930), (20, 24397137), (30, 16264758), (36, 13553965), (45, 10843172), (60, 8132379), (90, 5421586), (180, 2710793), (691, 706140), (1382, 353070), (2073, 235380), (2764, 176535), (3455, 141228), (3923, 124380), (4146, 117690), (6219, 78460), (6910, 70614), (7846, 62190), (8292, 58845), (10365, 47076), (11769, 41460), (12438, 39230), (13820, 35307), (15692, 31095), (19615, 24876), (20730, 23538)]