156768820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{2633}}^1$

素因数の和:2884

約数の個数: 48

約数和(自身を含む): 356222160

約数和(自身を除く): 199453340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 229, 260, 458, 916, 1145, 2290, 2633, 2977, 4580, 5266, 5954, 10532, 11908, 13165, 14885, 26330, 29770, 34229, 52660, 59540, 68458, 136916, 171145, 342290, 602957, 684580, 1205914, 2411828, 3014785, 6029570, 7838441, 12059140, 15676882, 31353764, 39192205, 78384410, 156768820]

約数ペア:

[(1, 156768820), (2, 78384410), (4, 39192205), (5, 31353764), (10, 15676882), (13, 12059140), (20, 7838441), (26, 6029570), (52, 3014785), (65, 2411828), (130, 1205914), (229, 684580), (260, 602957), (458, 342290), (916, 171145), (1145, 136916), (2290, 68458), (2633, 59540), (2977, 52660), (4580, 34229), (5266, 29770), (5954, 26330), (10532, 14885), (11908, 13165)]