51157890

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{81203}}^1$

素因数の和:81223

約数の個数: 48

約数和(自身を含む): 152013888

約数和(自身を除く): 100855998

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 81203, 162406, 243609, 406015, 487218, 568421, 730827, 812030, 1136842, 1218045, 1461654, 1705263, 2436090, 2842105, 3410526, 3654135, 5115789, 5684210, 7308270, 8526315, 10231578, 17052630, 25578945, 51157890]

約数ペア:

[(1, 51157890), (2, 25578945), (3, 17052630), (5, 10231578), (6, 8526315), (7, 7308270), (9, 5684210), (10, 5115789), (14, 3654135), (15, 3410526), (18, 2842105), (21, 2436090), (30, 1705263), (35, 1461654), (42, 1218045), (45, 1136842), (63, 812030), (70, 730827), (90, 568421), (105, 487218), (126, 406015), (210, 243609), (315, 162406), (630, 81203)]