72470420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{307}}^1$

素因数の和:393

約数の個数: 96

約数和(自身を含む): 176964480

約数和(自身を除く): 104494060

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 37, 44, 55, 58, 74, 110, 116, 145, 148, 185, 220, 290, 307, 319, 370, 407, 580, 614, 638, 740, 814, 1073, 1228, 1276, 1535, 1595, 1628, 2035, 2146, 3070, 3190, 3377, 4070, 4292, 5365, 6140, 6380, 6754, 8140, 8903, 10730, 11359, 11803, 13508, 16885, 17806, 21460, 22718, 23606, 33770, 35612, 44515, 45436, 47212, 56795, 59015, 67540, 89030, 97933, 113590, 118030, 124949, 178060, 195866, 227180, 236060, 249898, 329411, 391732, 489665, 499796, 624745, 658822, 979330, 1249490, 1317644, 1647055, 1958660, 2498980, 3294110, 3623521, 6588220, 7247042, 14494084, 18117605, 36235210, 72470420]

約数ペア:

[(1, 72470420), (2, 36235210), (4, 18117605), (5, 14494084), (10, 7247042), (11, 6588220), (20, 3623521), (22, 3294110), (29, 2498980), (37, 1958660), (44, 1647055), (55, 1317644), (58, 1249490), (74, 979330), (110, 658822), (116, 624745), (145, 499796), (148, 489665), (185, 391732), (220, 329411), (290, 249898), (307, 236060), (319, 227180), (370, 195866), (407, 178060), (580, 124949), (614, 118030), (638, 113590), (740, 97933), (814, 89030), (1073, 67540), (1228, 59015), (1276, 56795), (1535, 47212), (1595, 45436), (1628, 44515), (2035, 35612), (2146, 33770), (3070, 23606), (3190, 22718), (3377, 21460), (4070, 17806), (4292, 16885), (5365, 13508), (6140, 11803), (6380, 11359), (6754, 10730), (8140, 8903)]