1987156620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{2797}}^1\times {\mathrm{3947}}^1$

素因数の和:6759

約数の個数: 72

約数和(自身を含む): 6031391184

約数和(自身を除く): 4044234564

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 2797, 3947, 5594, 7894, 8391, 11188, 11841, 13985, 15788, 16782, 19735, 23682, 25173, 27970, 33564, 35523, 39470, 41955, 47364, 50346, 55940, 59205, 71046, 78940, 83910, 100692, 118410, 125865, 142092, 167820, 177615, 236820, 251730, 355230, 503460, 710460, 11039759, 22079518, 33119277, 44159036, 55198795, 66238554, 99357831, 110397590, 132477108, 165596385, 198715662, 220795180, 331192770, 397431324, 496789155, 662385540, 993578310, 1987156620]

約数ペア:

[(1, 1987156620), (2, 993578310), (3, 662385540), (4, 496789155), (5, 397431324), (6, 331192770), (9, 220795180), (10, 198715662), (12, 165596385), (15, 132477108), (18, 110397590), (20, 99357831), (30, 66238554), (36, 55198795), (45, 44159036), (60, 33119277), (90, 22079518), (180, 11039759), (2797, 710460), (3947, 503460), (5594, 355230), (7894, 251730), (8391, 236820), (11188, 177615), (11841, 167820), (13985, 142092), (15788, 125865), (16782, 118410), (19735, 100692), (23682, 83910), (25173, 78940), (27970, 71046), (33564, 59205), (35523, 55940), (39470, 50346), (41955, 47364)]