68359980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{87641}}^1$

素因数の和:87666

約数の個数: 48

約数和(自身を含む): 206133984

約数和(自身を除く): 137774004

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, 87641, 175282, 262923, 350564, 438205, 525846, 876410, 1051692, 1139333, 1314615, 1752820, 2278666, 2629230, 3417999, 4557332, 5258460, 5696665, 6835998, 11393330, 13671996, 17089995, 22786660, 34179990, 68359980]

約数ペア:

[(1, 68359980), (2, 34179990), (3, 22786660), (4, 17089995), (5, 13671996), (6, 11393330), (10, 6835998), (12, 5696665), (13, 5258460), (15, 4557332), (20, 3417999), (26, 2629230), (30, 2278666), (39, 1752820), (52, 1314615), (60, 1139333), (65, 1051692), (78, 876410), (130, 525846), (156, 438205), (195, 350564), (260, 262923), (390, 175282), (780, 87641)]