187760820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{240719}}^1$

素因数の和:240744

約数の個数: 48

約数和(自身を含む): 566173440

約数和(自身を除く): 378412620

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, 240719, 481438, 722157, 962876, 1203595, 1444314, 2407190, 2888628, 3129347, 3610785, 4814380, 6258694, 7221570, 9388041, 12517388, 14443140, 15646735, 18776082, 31293470, 37552164, 46940205, 62586940, 93880410, 187760820]

約数ペア:

[(1, 187760820), (2, 93880410), (3, 62586940), (4, 46940205), (5, 37552164), (6, 31293470), (10, 18776082), (12, 15646735), (13, 14443140), (15, 12517388), (20, 9388041), (26, 7221570), (30, 6258694), (39, 4814380), (52, 3610785), (60, 3129347), (65, 2888628), (78, 2407190), (130, 1444314), (156, 1203595), (195, 962876), (260, 722157), (390, 481438), (780, 240719)]