139519980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{653}}^1\times {\mathrm{1187}}^1$

素因数の和:1855

約数の個数: 72

約数和(自身を含む): 424215792

約数和(自身を除く): 284695812

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 653, 1187, 1306, 1959, 2374, 2612, 3265, 3561, 3918, 4748, 5877, 5935, 6530, 7122, 7836, 9795, 10683, 11754, 11870, 13060, 14244, 17805, 19590, 21366, 23508, 23740, 29385, 35610, 39180, 42732, 53415, 58770, 71220, 106830, 117540, 213660, 775111, 1550222, 2325333, 3100444, 3875555, 4650666, 6975999, 7751110, 9301332, 11626665, 13951998, 15502220, 23253330, 27903996, 34879995, 46506660, 69759990, 139519980]

約数ペア:

[(1, 139519980), (2, 69759990), (3, 46506660), (4, 34879995), (5, 27903996), (6, 23253330), (9, 15502220), (10, 13951998), (12, 11626665), (15, 9301332), (18, 7751110), (20, 6975999), (30, 4650666), (36, 3875555), (45, 3100444), (60, 2325333), (90, 1550222), (180, 775111), (653, 213660), (1187, 117540), (1306, 106830), (1959, 71220), (2374, 58770), (2612, 53415), (3265, 42732), (3561, 39180), (3918, 35610), (4748, 29385), (5877, 23740), (5935, 23508), (6530, 21366), (7122, 19590), (7836, 17805), (9795, 14244), (10683, 13060), (11754, 11870)]