20123248500

素因数分解:

$2^2\times 3^3\times 5^3\times {\mathrm{17}}^1\times {\mathrm{87683}}^1$

素因数の和:87728

約数の個数: 192

約数和(自身を含む): 68940668160

約数和(自身を除く): 48817419660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 25, 27, 30, 34, 36, 45, 50, 51, 54, 60, 68, 75, 85, 90, 100, 102, 108, 125, 135, 150, 153, 170, 180, 204, 225, 250, 255, 270, 300, 306, 340, 375, 425, 450, 459, 500, 510, 540, 612, 675, 750, 765, 850, 900, 918, 1020, 1125, 1275, 1350, 1500, 1530, 1700, 1836, 2125, 2250, 2295, 2550, 2700, 3060, 3375, 3825, 4250, 4500, 4590, 5100, 6375, 6750, 7650, 8500, 9180, 11475, 12750, 13500, 15300, 19125, 22950, 25500, 38250, 45900, 57375, 76500, 87683, 114750, 175366, 229500, 263049, 350732, 438415, 526098, 789147, 876830, 1052196, 1315245, 1490611, 1578294, 1753660, 2192075, 2367441, 2630490, 2981222, 3156588, 3945735, 4384150, 4471833, 4734882, 5260980, 5962444, 6576225, 7453055, 7891470, 8768300, 8943666, 9469764, 10960375, 11837205, 13152450, 13415499, 14906110, 15782940, 17887332, 19728675, 21920750, 22359165, 23674410, 26304900, 26830998, 29812220, 32881125, 37265275, 39457350, 40246497, 43841500, 44718330, 47348820, 53661996, 59186025, 65762250, 67077495, 74530550, 78914700, 80492994, 89436660, 98643375, 111795825, 118372050, 131524500, 134154990, 149061100, 160985988, 186326375, 197286750, 201232485, 223591650, 236744100, 268309980, 295930125, 335387475, 372652750, 394573500, 402464970, 447183300, 558979125, 591860250, 670774950, 745305500, 804929940, 1006162425, 1117958250, 1183720500, 1341549900, 1676937375, 2012324850, 2235916500, 3353874750, 4024649700, 5030812125, 6707749500, 10061624250, 20123248500]

約数ペア:

[(1, 20123248500), (2, 10061624250), (3, 6707749500), (4, 5030812125), (5, 4024649700), (6, 3353874750), (9, 2235916500), (10, 2012324850), (12, 1676937375), (15, 1341549900), (17, 1183720500), (18, 1117958250), (20, 1006162425), (25, 804929940), (27, 745305500), (30, 670774950), (34, 591860250), (36, 558979125), (45, 447183300), (50, 402464970), (51, 394573500), (54, 372652750), (60, 335387475), (68, 295930125), (75, 268309980), (85, 236744100), (90, 223591650), (100, 201232485), (102, 197286750), (108, 186326375), (125, 160985988), (135, 149061100), (150, 134154990), (153, 131524500), (170, 118372050), (180, 111795825), (204, 98643375), (225, 89436660), (250, 80492994), (255, 78914700), (270, 74530550), (300, 67077495), (306, 65762250), (340, 59186025), (375, 53661996), (425, 47348820), (450, 44718330), (459, 43841500), (500, 40246497), (510, 39457350), (540, 37265275), (612, 32881125), (675, 29812220), (750, 26830998), (765, 26304900), (850, 23674410), (900, 22359165), (918, 21920750), (1020, 19728675), (1125, 17887332), (1275, 15782940), (1350, 14906110), (1500, 13415499), (1530, 13152450), (1700, 11837205), (1836, 10960375), (2125, 9469764), (2250, 8943666), (2295, 8768300), (2550, 7891470), (2700, 7453055), (3060, 6576225), (3375, 5962444), (3825, 5260980), (4250, 4734882), (4500, 4471833), (4590, 4384150), (5100, 3945735), (6375, 3156588), (6750, 2981222), (7650, 2630490), (8500, 2367441), (9180, 2192075), (11475, 1753660), (12750, 1578294), (13500, 1490611), (15300, 1315245), (19125, 1052196), (22950, 876830), (25500, 789147), (38250, 526098), (45900, 438415), (57375, 350732), (76500, 263049), (87683, 229500), (114750, 175366)]