80147970

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{127219}}^1$

素因数の和:127239

約数の個数: 48

約数和(自身を含む): 238155840

約数和(自身を除く): 158007870

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, 127219, 254438, 381657, 636095, 763314, 890533, 1144971, 1272190, 1781066, 1908285, 2289942, 2671599, 3816570, 4452665, 5343198, 5724855, 8014797, 8905330, 11449710, 13357995, 16029594, 26715990, 40073985, 80147970]

約数ペア:

[(1, 80147970), (2, 40073985), (3, 26715990), (5, 16029594), (6, 13357995), (7, 11449710), (9, 8905330), (10, 8014797), (14, 5724855), (15, 5343198), (18, 4452665), (21, 3816570), (30, 2671599), (35, 2289942), (42, 1908285), (45, 1781066), (63, 1272190), (70, 1144971), (90, 890533), (105, 763314), (126, 636095), (210, 381657), (315, 254438), (630, 127219)]