31496940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{233}}^1\times {\mathrm{751}}^1$

素因数の和:999

約数の個数: 72

約数和(自身を含む): 96078528

約数和(自身を除く): 64581588

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 233, 466, 699, 751, 932, 1165, 1398, 1502, 2097, 2253, 2330, 2796, 3004, 3495, 3755, 4194, 4506, 4660, 6759, 6990, 7510, 8388, 9012, 10485, 11265, 13518, 13980, 15020, 20970, 22530, 27036, 33795, 41940, 45060, 67590, 135180, 174983, 349966, 524949, 699932, 874915, 1049898, 1574847, 1749830, 2099796, 2624745, 3149694, 3499660, 5249490, 6299388, 7874235, 10498980, 15748470, 31496940]

約数ペア:

[(1, 31496940), (2, 15748470), (3, 10498980), (4, 7874235), (5, 6299388), (6, 5249490), (9, 3499660), (10, 3149694), (12, 2624745), (15, 2099796), (18, 1749830), (20, 1574847), (30, 1049898), (36, 874915), (45, 699932), (60, 524949), (90, 349966), (180, 174983), (233, 135180), (466, 67590), (699, 45060), (751, 41940), (932, 33795), (1165, 27036), (1398, 22530), (1502, 20970), (2097, 15020), (2253, 13980), (2330, 13518), (2796, 11265), (3004, 10485), (3495, 9012), (3755, 8388), (4194, 7510), (4506, 6990), (4660, 6759)]