128454840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{356819}}^1$

素因数の和:356836

約数の個数: 48

約数和(自身を含む): 417479400

約数和(自身を除く): 289024560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 356819, 713638, 1070457, 1427276, 1784095, 2140914, 2854552, 3211371, 3568190, 4281828, 5352285, 6422742, 7136380, 8563656, 10704570, 12845484, 14272760, 16056855, 21409140, 25690968, 32113710, 42818280, 64227420, 128454840]

約数ペア:

[(1, 128454840), (2, 64227420), (3, 42818280), (4, 32113710), (5, 25690968), (6, 21409140), (8, 16056855), (9, 14272760), (10, 12845484), (12, 10704570), (15, 8563656), (18, 7136380), (20, 6422742), (24, 5352285), (30, 4281828), (36, 3568190), (40, 3211371), (45, 2854552), (60, 2140914), (72, 1784095), (90, 1427276), (120, 1070457), (180, 713638), (360, 356819)]