78142060

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{79}}^1\times {\mathrm{137}}^1$

素因数の和:263

約数の個数: 72

約数和(自身を含む): 176662080

約数和(自身を除く): 98520020

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 79, 95, 137, 158, 190, 274, 316, 361, 380, 395, 548, 685, 722, 790, 1370, 1444, 1501, 1580, 1805, 2603, 2740, 3002, 3610, 5206, 6004, 7220, 7505, 10412, 10823, 13015, 15010, 21646, 26030, 28519, 30020, 43292, 49457, 52060, 54115, 57038, 98914, 108230, 114076, 142595, 197828, 205637, 216460, 247285, 285190, 411274, 494570, 570380, 822548, 989140, 1028185, 2056370, 3907103, 4112740, 7814206, 15628412, 19535515, 39071030, 78142060]

約数ペア:

[(1, 78142060), (2, 39071030), (4, 19535515), (5, 15628412), (10, 7814206), (19, 4112740), (20, 3907103), (38, 2056370), (76, 1028185), (79, 989140), (95, 822548), (137, 570380), (158, 494570), (190, 411274), (274, 285190), (316, 247285), (361, 216460), (380, 205637), (395, 197828), (548, 142595), (685, 114076), (722, 108230), (790, 98914), (1370, 57038), (1444, 54115), (1501, 52060), (1580, 49457), (1805, 43292), (2603, 30020), (2740, 28519), (3002, 26030), (3610, 21646), (5206, 15010), (6004, 13015), (7220, 10823), (7505, 10412)]