81639900

素因数分解:

$2^2\times 3^4\times 5^2\times {\mathrm{10079}}^1$

素因数の和:10105

約数の個数: 90

約数和(自身を含む): 264670560

約数和(自身を除く): 183030660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 81, 90, 100, 108, 135, 150, 162, 180, 225, 270, 300, 324, 405, 450, 540, 675, 810, 900, 1350, 1620, 2025, 2700, 4050, 8100, 10079, 20158, 30237, 40316, 50395, 60474, 90711, 100790, 120948, 151185, 181422, 201580, 251975, 272133, 302370, 362844, 453555, 503950, 544266, 604740, 755925, 816399, 907110, 1007900, 1088532, 1360665, 1511850, 1632798, 1814220, 2267775, 2721330, 3023700, 3265596, 4081995, 4535550, 5442660, 6803325, 8163990, 9071100, 13606650, 16327980, 20409975, 27213300, 40819950, 81639900]

約数ペア:

[(1, 81639900), (2, 40819950), (3, 27213300), (4, 20409975), (5, 16327980), (6, 13606650), (9, 9071100), (10, 8163990), (12, 6803325), (15, 5442660), (18, 4535550), (20, 4081995), (25, 3265596), (27, 3023700), (30, 2721330), (36, 2267775), (45, 1814220), (50, 1632798), (54, 1511850), (60, 1360665), (75, 1088532), (81, 1007900), (90, 907110), (100, 816399), (108, 755925), (135, 604740), (150, 544266), (162, 503950), (180, 453555), (225, 362844), (270, 302370), (300, 272133), (324, 251975), (405, 201580), (450, 181422), (540, 151185), (675, 120948), (810, 100790), (900, 90711), (1350, 60474), (1620, 50395), (2025, 40316), (2700, 30237), (4050, 20158), (8100, 10079)]