161725980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{207341}}^1$

素因数の和:207366

約数の個数: 48

約数和(自身を含む): 487668384

約数和(自身を除く): 325942404

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 207341, 414682, 622023, 829364, 1036705, 1244046, 2073410, 2488092, 2695433, 3110115, 4146820, 5390866, 6220230, 8086299, 10781732, 12440460, 13477165, 16172598, 26954330, 32345196, 40431495, 53908660, 80862990, 161725980]

約数ペア:

[(1, 161725980), (2, 80862990), (3, 53908660), (4, 40431495), (5, 32345196), (6, 26954330), (10, 16172598), (12, 13477165), (13, 12440460), (15, 10781732), (20, 8086299), (26, 6220230), (30, 5390866), (39, 4146820), (52, 3110115), (60, 2695433), (65, 2488092), (78, 2073410), (130, 1244046), (156, 1036705), (195, 829364), (260, 622023), (390, 414682), (780, 207341)]