25728660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{7523}}^1$

素因数の和:7557

約数の個数: 72

約数和(自身を含む): 82162080

約数和(自身を除く): 56433420

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, 7523, 15046, 22569, 30092, 37615, 45138, 67707, 75230, 90276, 112845, 135414, 142937, 150460, 225690, 270828, 285874, 338535, 428811, 451380, 571748, 677070, 714685, 857622, 1286433, 1354140, 1429370, 1715244, 2144055, 2572866, 2858740, 4288110, 5145732, 6432165, 8576220, 12864330, 25728660]

約数ペア:

[(1, 25728660), (2, 12864330), (3, 8576220), (4, 6432165), (5, 5145732), (6, 4288110), (9, 2858740), (10, 2572866), (12, 2144055), (15, 1715244), (18, 1429370), (19, 1354140), (20, 1286433), (30, 857622), (36, 714685), (38, 677070), (45, 571748), (57, 451380), (60, 428811), (76, 338535), (90, 285874), (95, 270828), (114, 225690), (171, 150460), (180, 142937), (190, 135414), (228, 112845), (285, 90276), (342, 75230), (380, 67707), (570, 45138), (684, 37615), (855, 30092), (1140, 22569), (1710, 15046), (3420, 7523)]