16982940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{21773}}^1$

素因数の和:21798

約数の個数: 48

約数和(自身を含む): 51212448

約数和(自身を除く): 34229508

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, 21773, 43546, 65319, 87092, 108865, 130638, 217730, 261276, 283049, 326595, 435460, 566098, 653190, 849147, 1132196, 1306380, 1415245, 1698294, 2830490, 3396588, 4245735, 5660980, 8491470, 16982940]

約数ペア:

[(1, 16982940), (2, 8491470), (3, 5660980), (4, 4245735), (5, 3396588), (6, 2830490), (10, 1698294), (12, 1415245), (13, 1306380), (15, 1132196), (20, 849147), (26, 653190), (30, 566098), (39, 435460), (52, 326595), (60, 283049), (65, 261276), (78, 217730), (130, 130638), (156, 108865), (195, 87092), (260, 65319), (390, 43546), (780, 21773)]