408540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{619}}^1$

素因数の和:642

約数の個数: 48

約数和(自身を含む): 1249920

約数和(自身を除く): 841380

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 619, 660, 1238, 1857, 2476, 3095, 3714, 6190, 6809, 7428, 9285, 12380, 13618, 18570, 20427, 27236, 34045, 37140, 40854, 68090, 81708, 102135, 136180, 204270, 408540]

約数ペア:

[(1, 408540), (2, 204270), (3, 136180), (4, 102135), (5, 81708), (6, 68090), (10, 40854), (11, 37140), (12, 34045), (15, 27236), (20, 20427), (22, 18570), (30, 13618), (33, 12380), (44, 9285), (55, 7428), (60, 6809), (66, 6190), (110, 3714), (132, 3095), (165, 2476), (220, 1857), (330, 1238), (619, 660)]