128409660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{601}}^1\times {\mathrm{1187}}^1$

素因数の和:1803

約数の個数: 72

約数和(自身を含む): 390486096

約数和(自身を除く): 262076436

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 601, 1187, 1202, 1803, 2374, 2404, 3005, 3561, 3606, 4748, 5409, 5935, 6010, 7122, 7212, 9015, 10683, 10818, 11870, 12020, 14244, 17805, 18030, 21366, 21636, 23740, 27045, 35610, 36060, 42732, 53415, 54090, 71220, 106830, 108180, 213660, 713387, 1426774, 2140161, 2853548, 3566935, 4280322, 6420483, 7133870, 8560644, 10700805, 12840966, 14267740, 21401610, 25681932, 32102415, 42803220, 64204830, 128409660]

約数ペア:

[(1, 128409660), (2, 64204830), (3, 42803220), (4, 32102415), (5, 25681932), (6, 21401610), (9, 14267740), (10, 12840966), (12, 10700805), (15, 8560644), (18, 7133870), (20, 6420483), (30, 4280322), (36, 3566935), (45, 2853548), (60, 2140161), (90, 1426774), (180, 713387), (601, 213660), (1187, 108180), (1202, 106830), (1803, 71220), (2374, 54090), (2404, 53415), (3005, 42732), (3561, 36060), (3606, 35610), (4748, 27045), (5409, 23740), (5935, 21636), (6010, 21366), (7122, 18030), (7212, 17805), (9015, 14244), (10683, 12020), (10818, 11870)]