20160742875

素因数分解:

$3^1\times 5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:319

約数の個数: 256

約数和(自身を含む): 42932477952

約数和(自身を除く): 22771735077

約数列:

[1, 3, 5, 7, 13, 15, 21, 25, 35, 39, 53, 65, 71, 75, 91, 105, 125, 157, 159, 175, 195, 213, 265, 273, 325, 355, 371, 375, 455, 471, 497, 525, 689, 785, 795, 875, 923, 975, 1065, 1099, 1113, 1325, 1365, 1491, 1625, 1775, 1855, 2041, 2067, 2275, 2355, 2485, 2625, 2769, 3297, 3445, 3763, 3925, 3975, 4615, 4823, 4875, 5325, 5495, 5565, 6123, 6461, 6625, 6825, 7455, 8321, 8875, 9275, 10205, 10335, 11147, 11289, 11375, 11775, 12425, 13845, 14287, 14469, 16485, 17225, 18815, 19383, 19625, 19875, 23075, 24115, 24963, 26341, 26625, 27475, 27825, 30615, 32305, 33441, 34125, 37275, 41605, 42861, 46375, 48919, 51025, 51675, 55735, 56445, 58247, 58875, 62125, 69225, 71435, 72345, 78029, 79023, 82425, 86125, 94075, 96915, 108173, 115375, 120575, 124815, 131705, 137375, 139125, 144911, 146757, 153075, 161525, 167205, 174741, 186375, 208025, 214305, 234087, 244595, 255125, 258375, 278675, 282225, 291235, 324519, 342433, 346125, 357175, 361725, 390145, 395115, 412125, 434733, 470375, 484575, 540865, 590791, 602875, 624075, 658525, 724555, 733785, 757211, 765375, 807625, 836025, 873705, 1014377, 1027299, 1040125, 1071525, 1170435, 1222975, 1393375, 1411125, 1456175, 1622595, 1712165, 1772373, 1785875, 1808625, 1950725, 1975575, 2173665, 2271633, 2422875, 2704325, 2953955, 3043131, 3120375, 3292625, 3622775, 3668925, 3786055, 4135537, 4180125, 4368525, 5071885, 5136495, 5357625, 5852175, 6114875, 7280875, 7680283, 8112975, 8560825, 8861865, 9753625, 9877875, 10868325, 11358165, 12406611, 13521625, 14769775, 15215655, 18113875, 18344625, 18930275, 20677685, 21842625, 23040849, 25359425, 25682475, 29260875, 38401415, 40564875, 42804125, 44309325, 53761981, 54341625, 56790825, 62033055, 73848875, 76078275, 94651375, 103388425, 115204245, 126797125, 128412375, 161285943, 192007075, 221546625, 268809905, 283954125, 310165275, 380391375, 516942125, 576021225, 806429715, 960035375, 1344049525, 1550826375, 2880106125, 4032148575, 6720247625, 20160742875]

約数ペア:

[(1, 20160742875), (3, 6720247625), (5, 4032148575), (7, 2880106125), (13, 1550826375), (15, 1344049525), (21, 960035375), (25, 806429715), (35, 576021225), (39, 516942125), (53, 380391375), (65, 310165275), (71, 283954125), (75, 268809905), (91, 221546625), (105, 192007075), (125, 161285943), (157, 128412375), (159, 126797125), (175, 115204245), (195, 103388425), (213, 94651375), (265, 76078275), (273, 73848875), (325, 62033055), (355, 56790825), (371, 54341625), (375, 53761981), (455, 44309325), (471, 42804125), (497, 40564875), (525, 38401415), (689, 29260875), (785, 25682475), (795, 25359425), (875, 23040849), (923, 21842625), (975, 20677685), (1065, 18930275), (1099, 18344625), (1113, 18113875), (1325, 15215655), (1365, 14769775), (1491, 13521625), (1625, 12406611), (1775, 11358165), (1855, 10868325), (2041, 9877875), (2067, 9753625), (2275, 8861865), (2355, 8560825), (2485, 8112975), (2625, 7680283), (2769, 7280875), (3297, 6114875), (3445, 5852175), (3763, 5357625), (3925, 5136495), (3975, 5071885), (4615, 4368525), (4823, 4180125), (4875, 4135537), (5325, 3786055), (5495, 3668925), (5565, 3622775), (6123, 3292625), (6461, 3120375), (6625, 3043131), (6825, 2953955), (7455, 2704325), (8321, 2422875), (8875, 2271633), (9275, 2173665), (10205, 1975575), (10335, 1950725), (11147, 1808625), (11289, 1785875), (11375, 1772373), (11775, 1712165), (12425, 1622595), (13845, 1456175), (14287, 1411125), (14469, 1393375), (16485, 1222975), (17225, 1170435), (18815, 1071525), (19383, 1040125), (19625, 1027299), (19875, 1014377), (23075, 873705), (24115, 836025), (24963, 807625), (26341, 765375), (26625, 757211), (27475, 733785), (27825, 724555), (30615, 658525), (32305, 624075), (33441, 602875), (34125, 590791), (37275, 540865), (41605, 484575), (42861, 470375), (46375, 434733), (48919, 412125), (51025, 395115), (51675, 390145), (55735, 361725), (56445, 357175), (58247, 346125), (58875, 342433), (62125, 324519), (69225, 291235), (71435, 282225), (72345, 278675), (78029, 258375), (79023, 255125), (82425, 244595), (86125, 234087), (94075, 214305), (96915, 208025), (108173, 186375), (115375, 174741), (120575, 167205), (124815, 161525), (131705, 153075), (137375, 146757), (139125, 144911)]