31490280

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{87473}}^1$

素因数の和:87490

約数の個数: 48

約数和(自身を含む): 102344580

約数和(自身を除く): 70854300

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, 87473, 174946, 262419, 349892, 437365, 524838, 699784, 787257, 874730, 1049676, 1312095, 1574514, 1749460, 2099352, 2624190, 3149028, 3498920, 3936285, 5248380, 6298056, 7872570, 10496760, 15745140, 31490280]

約数ペア:

[(1, 31490280), (2, 15745140), (3, 10496760), (4, 7872570), (5, 6298056), (6, 5248380), (8, 3936285), (9, 3498920), (10, 3149028), (12, 2624190), (15, 2099352), (18, 1749460), (20, 1574514), (24, 1312095), (30, 1049676), (36, 874730), (40, 787257), (45, 699784), (60, 524838), (72, 437365), (90, 349892), (120, 262419), (180, 174946), (360, 87473)]