307474020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{491}}^1$

素因数の和:591

約数の個数: 216

約数和(自身を含む): 1102465728

約数和(自身を除く): 794991708

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 71, 84, 90, 98, 105, 126, 140, 142, 147, 180, 196, 210, 213, 245, 252, 284, 294, 315, 355, 420, 426, 441, 490, 491, 497, 588, 630, 639, 710, 735, 852, 882, 980, 982, 994, 1065, 1260, 1278, 1420, 1470, 1473, 1491, 1764, 1964, 1988, 2130, 2205, 2455, 2485, 2556, 2940, 2946, 2982, 3195, 3437, 3479, 4260, 4410, 4419, 4473, 4910, 4970, 5892, 5964, 6390, 6874, 6958, 7365, 7455, 8820, 8838, 8946, 9820, 9940, 10311, 10437, 12780, 13748, 13916, 14730, 14910, 17185, 17395, 17676, 17892, 20622, 20874, 22095, 22365, 24059, 29460, 29820, 30933, 31311, 34370, 34790, 34861, 41244, 41748, 44190, 44730, 48118, 51555, 52185, 61866, 62622, 68740, 69580, 69722, 72177, 88380, 89460, 96236, 103110, 104370, 104583, 120295, 123732, 125244, 139444, 144354, 154665, 156555, 174305, 206220, 208740, 209166, 216531, 240590, 244027, 288708, 309330, 313110, 313749, 348610, 360885, 418332, 433062, 481180, 488054, 522915, 618660, 626220, 627498, 697220, 721770, 732081, 866124, 976108, 1045830, 1082655, 1220135, 1254996, 1443540, 1464162, 1568745, 1708189, 2091660, 2165310, 2196243, 2440270, 2928324, 3137490, 3416378, 3660405, 4330620, 4392486, 4880540, 5124567, 6274980, 6832756, 7320810, 8540945, 8784972, 10249134, 10981215, 14641620, 15373701, 17081890, 20498268, 21962430, 25622835, 30747402, 34163780, 43924860, 51245670, 61494804, 76868505, 102491340, 153737010, 307474020]

約数ペア:

[(1, 307474020), (2, 153737010), (3, 102491340), (4, 76868505), (5, 61494804), (6, 51245670), (7, 43924860), (9, 34163780), (10, 30747402), (12, 25622835), (14, 21962430), (15, 20498268), (18, 17081890), (20, 15373701), (21, 14641620), (28, 10981215), (30, 10249134), (35, 8784972), (36, 8540945), (42, 7320810), (45, 6832756), (49, 6274980), (60, 5124567), (63, 4880540), (70, 4392486), (71, 4330620), (84, 3660405), (90, 3416378), (98, 3137490), (105, 2928324), (126, 2440270), (140, 2196243), (142, 2165310), (147, 2091660), (180, 1708189), (196, 1568745), (210, 1464162), (213, 1443540), (245, 1254996), (252, 1220135), (284, 1082655), (294, 1045830), (315, 976108), (355, 866124), (420, 732081), (426, 721770), (441, 697220), (490, 627498), (491, 626220), (497, 618660), (588, 522915), (630, 488054), (639, 481180), (710, 433062), (735, 418332), (852, 360885), (882, 348610), (980, 313749), (982, 313110), (994, 309330), (1065, 288708), (1260, 244027), (1278, 240590), (1420, 216531), (1470, 209166), (1473, 208740), (1491, 206220), (1764, 174305), (1964, 156555), (1988, 154665), (2130, 144354), (2205, 139444), (2455, 125244), (2485, 123732), (2556, 120295), (2940, 104583), (2946, 104370), (2982, 103110), (3195, 96236), (3437, 89460), (3479, 88380), (4260, 72177), (4410, 69722), (4419, 69580), (4473, 68740), (4910, 62622), (4970, 61866), (5892, 52185), (5964, 51555), (6390, 48118), (6874, 44730), (6958, 44190), (7365, 41748), (7455, 41244), (8820, 34861), (8838, 34790), (8946, 34370), (9820, 31311), (9940, 30933), (10311, 29820), (10437, 29460), (12780, 24059), (13748, 22365), (13916, 22095), (14730, 20874), (14910, 20622), (17185, 17892), (17395, 17676)]