71488260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{20903}}^1$

素因数の和:20937

約数の個数: 72

約数和(自身を含む): 228271680

約数和(自身を除く): 156783420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 20903, 41806, 62709, 83612, 104515, 125418, 188127, 209030, 250836, 313545, 376254, 397157, 418060, 627090, 752508, 794314, 940635, 1191471, 1254180, 1588628, 1881270, 1985785, 2382942, 3574413, 3762540, 3971570, 4765884, 5957355, 7148826, 7943140, 11914710, 14297652, 17872065, 23829420, 35744130, 71488260]

約数ペア:

[(1, 71488260), (2, 35744130), (3, 23829420), (4, 17872065), (5, 14297652), (6, 11914710), (9, 7943140), (10, 7148826), (12, 5957355), (15, 4765884), (18, 3971570), (19, 3762540), (20, 3574413), (30, 2382942), (36, 1985785), (38, 1881270), (45, 1588628), (57, 1254180), (60, 1191471), (76, 940635), (90, 794314), (95, 752508), (114, 627090), (171, 418060), (180, 397157), (190, 376254), (228, 313545), (285, 250836), (342, 209030), (380, 188127), (570, 125418), (684, 104515), (855, 83612), (1140, 62709), (1710, 41806), (3420, 20903)]