123406980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{14797}}^1$

素因数の和:14948

約数の個数: 48

約数和(自身を含む): 348048960

約数和(自身を除く): 224641980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 139, 278, 417, 556, 695, 834, 1390, 1668, 2085, 2780, 4170, 8340, 14797, 29594, 44391, 59188, 73985, 88782, 147970, 177564, 221955, 295940, 443910, 887820, 2056783, 4113566, 6170349, 8227132, 10283915, 12340698, 20567830, 24681396, 30851745, 41135660, 61703490, 123406980]

約数ペア:

[(1, 123406980), (2, 61703490), (3, 41135660), (4, 30851745), (5, 24681396), (6, 20567830), (10, 12340698), (12, 10283915), (15, 8227132), (20, 6170349), (30, 4113566), (60, 2056783), (139, 887820), (278, 443910), (417, 295940), (556, 221955), (695, 177564), (834, 147970), (1390, 88782), (1668, 73985), (2085, 59188), (2780, 44391), (4170, 29594), (8340, 14797)]