5551980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13219}}^1$

素因数の和:13238

約数の個数: 48

約数和(自身を含む): 17767680

約数和(自身を除く): 12215700

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 13219, 26438, 39657, 52876, 66095, 79314, 92533, 132190, 158628, 185066, 198285, 264380, 277599, 370132, 396570, 462665, 555198, 793140, 925330, 1110396, 1387995, 1850660, 2775990, 5551980]

約数ペア:

[(1, 5551980), (2, 2775990), (3, 1850660), (4, 1387995), (5, 1110396), (6, 925330), (7, 793140), (10, 555198), (12, 462665), (14, 396570), (15, 370132), (20, 277599), (21, 264380), (28, 198285), (30, 185066), (35, 158628), (42, 132190), (60, 92533), (70, 79314), (84, 66095), (105, 52876), (140, 39657), (210, 26438), (420, 13219)]