81623700

素因数分解:

$2^2\times 3^5\times 5^2\times {\mathrm{3359}}^1$

素因数の和:3388

約数の個数: 108

約数和(自身を含む): 265399680

約数和(自身を除く): 183775980

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, 243, 270, 300, 324, 405, 450, 486, 540, 675, 810, 900, 972, 1215, 1350, 1620, 2025, 2430, 2700, 3359, 4050, 4860, 6075, 6718, 8100, 10077, 12150, 13436, 16795, 20154, 24300, 30231, 33590, 40308, 50385, 60462, 67180, 83975, 90693, 100770, 120924, 151155, 167950, 181386, 201540, 251925, 272079, 302310, 335900, 362772, 453465, 503850, 544158, 604620, 755775, 816237, 906930, 1007700, 1088316, 1360395, 1511550, 1632474, 1813860, 2267325, 2720790, 3023100, 3264948, 4081185, 4534650, 5441580, 6801975, 8162370, 9069300, 13603950, 16324740, 20405925, 27207900, 40811850, 81623700]

約数ペア:

[(1, 81623700), (2, 40811850), (3, 27207900), (4, 20405925), (5, 16324740), (6, 13603950), (9, 9069300), (10, 8162370), (12, 6801975), (15, 5441580), (18, 4534650), (20, 4081185), (25, 3264948), (27, 3023100), (30, 2720790), (36, 2267325), (45, 1813860), (50, 1632474), (54, 1511550), (60, 1360395), (75, 1088316), (81, 1007700), (90, 906930), (100, 816237), (108, 755775), (135, 604620), (150, 544158), (162, 503850), (180, 453465), (225, 362772), (243, 335900), (270, 302310), (300, 272079), (324, 251925), (405, 201540), (450, 181386), (486, 167950), (540, 151155), (675, 120924), (810, 100770), (900, 90693), (972, 83975), (1215, 67180), (1350, 60462), (1620, 50385), (2025, 40308), (2430, 33590), (2700, 30231), (3359, 24300), (4050, 20154), (4860, 16795), (6075, 13436), (6718, 12150), (8100, 10077)]