205015860

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{179}}^1$

素因数の和:308

約数の個数: 240

約数和(自身を含む): 746444160

約数和(自身を除く): 541428300

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 101, 105, 108, 126, 135, 140, 162, 179, 180, 189, 202, 210, 252, 270, 303, 315, 324, 358, 378, 404, 405, 420, 505, 537, 540, 567, 606, 630, 707, 716, 756, 810, 895, 909, 945, 1010, 1074, 1134, 1212, 1253, 1260, 1414, 1515, 1611, 1620, 1790, 1818, 1890, 2020, 2121, 2148, 2268, 2506, 2685, 2727, 2828, 2835, 3030, 3222, 3535, 3580, 3636, 3759, 3780, 4242, 4545, 4833, 5012, 5370, 5454, 5670, 6060, 6265, 6363, 6444, 7070, 7518, 8055, 8181, 8484, 9090, 9666, 10605, 10740, 10908, 11277, 11340, 12530, 12726, 13635, 14140, 14499, 15036, 16110, 16362, 18079, 18180, 18795, 19089, 19332, 21210, 22554, 24165, 25060, 25452, 27270, 28998, 31815, 32220, 32724, 33831, 36158, 37590, 38178, 40905, 42420, 45108, 48330, 54237, 54540, 56385, 57267, 57996, 63630, 67662, 72316, 72495, 75180, 76356, 81810, 90395, 95445, 96660, 101493, 108474, 112770, 114534, 126553, 127260, 135324, 144990, 162711, 163620, 169155, 180790, 190890, 202986, 216948, 225540, 229068, 253106, 271185, 286335, 289980, 325422, 338310, 361580, 379659, 381780, 405972, 488133, 506212, 507465, 542370, 572670, 632765, 650844, 676620, 759318, 813555, 976266, 1014930, 1084740, 1138977, 1145340, 1265530, 1464399, 1518636, 1627110, 1898295, 1952532, 2029860, 2277954, 2440665, 2531060, 2928798, 3254220, 3416931, 3796590, 4555908, 4881330, 5694885, 5857596, 6833862, 7321995, 7593180, 9762660, 10250793, 11389770, 13667724, 14643990, 17084655, 20501586, 22779540, 29287980, 34169310, 41003172, 51253965, 68338620, 102507930, 205015860]

約数ペア:

[(1, 205015860), (2, 102507930), (3, 68338620), (4, 51253965), (5, 41003172), (6, 34169310), (7, 29287980), (9, 22779540), (10, 20501586), (12, 17084655), (14, 14643990), (15, 13667724), (18, 11389770), (20, 10250793), (21, 9762660), (27, 7593180), (28, 7321995), (30, 6833862), (35, 5857596), (36, 5694885), (42, 4881330), (45, 4555908), (54, 3796590), (60, 3416931), (63, 3254220), (70, 2928798), (81, 2531060), (84, 2440665), (90, 2277954), (101, 2029860), (105, 1952532), (108, 1898295), (126, 1627110), (135, 1518636), (140, 1464399), (162, 1265530), (179, 1145340), (180, 1138977), (189, 1084740), (202, 1014930), (210, 976266), (252, 813555), (270, 759318), (303, 676620), (315, 650844), (324, 632765), (358, 572670), (378, 542370), (404, 507465), (405, 506212), (420, 488133), (505, 405972), (537, 381780), (540, 379659), (567, 361580), (606, 338310), (630, 325422), (707, 289980), (716, 286335), (756, 271185), (810, 253106), (895, 229068), (909, 225540), (945, 216948), (1010, 202986), (1074, 190890), (1134, 180790), (1212, 169155), (1253, 163620), (1260, 162711), (1414, 144990), (1515, 135324), (1611, 127260), (1620, 126553), (1790, 114534), (1818, 112770), (1890, 108474), (2020, 101493), (2121, 96660), (2148, 95445), (2268, 90395), (2506, 81810), (2685, 76356), (2727, 75180), (2828, 72495), (2835, 72316), (3030, 67662), (3222, 63630), (3535, 57996), (3580, 57267), (3636, 56385), (3759, 54540), (3780, 54237), (4242, 48330), (4545, 45108), (4833, 42420), (5012, 40905), (5370, 38178), (5454, 37590), (5670, 36158), (6060, 33831), (6265, 32724), (6363, 32220), (6444, 31815), (7070, 28998), (7518, 27270), (8055, 25452), (8181, 25060), (8484, 24165), (9090, 22554), (9666, 21210), (10605, 19332), (10740, 19089), (10908, 18795), (11277, 18180), (11340, 18079), (12530, 16362), (12726, 16110), (13635, 15036), (14140, 14499)]