66777780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{3083}}^1$

素因数の和:3133

約数の個数: 72

約数和(自身を含む): 197400672

約数和(自身を除く): 130622892

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 361, 380, 570, 722, 1083, 1140, 1444, 1805, 2166, 3083, 3610, 4332, 5415, 6166, 7220, 9249, 10830, 12332, 15415, 18498, 21660, 30830, 36996, 46245, 58577, 61660, 92490, 117154, 175731, 184980, 234308, 292885, 351462, 585770, 702924, 878655, 1112963, 1171540, 1757310, 2225926, 3338889, 3514620, 4451852, 5564815, 6677778, 11129630, 13355556, 16694445, 22259260, 33388890, 66777780]

約数ペア:

[(1, 66777780), (2, 33388890), (3, 22259260), (4, 16694445), (5, 13355556), (6, 11129630), (10, 6677778), (12, 5564815), (15, 4451852), (19, 3514620), (20, 3338889), (30, 2225926), (38, 1757310), (57, 1171540), (60, 1112963), (76, 878655), (95, 702924), (114, 585770), (190, 351462), (228, 292885), (285, 234308), (361, 184980), (380, 175731), (570, 117154), (722, 92490), (1083, 61660), (1140, 58577), (1444, 46245), (1805, 36996), (2166, 30830), (3083, 21660), (3610, 18498), (4332, 15415), (5415, 12332), (6166, 10830), (7220, 9249)]