1321221456

素因数分解:

$2^4\times 3^4\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{467}}^1$

素因数の和:583

約数の個数: 200

約数和(自身を含む): 4002467040

約数和(自身を除く): 2681245584

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 37, 48, 54, 59, 72, 74, 81, 108, 111, 118, 144, 148, 162, 177, 216, 222, 236, 296, 324, 333, 354, 432, 444, 467, 472, 531, 592, 648, 666, 708, 888, 934, 944, 999, 1062, 1296, 1332, 1401, 1416, 1593, 1776, 1868, 1998, 2124, 2183, 2664, 2802, 2832, 2997, 3186, 3736, 3996, 4203, 4248, 4366, 4779, 5328, 5604, 5994, 6372, 6549, 7472, 7992, 8406, 8496, 8732, 9558, 11208, 11988, 12609, 12744, 13098, 15984, 16812, 17279, 17464, 19116, 19647, 22416, 23976, 25218, 25488, 26196, 27553, 33624, 34558, 34928, 37827, 38232, 39294, 47952, 50436, 51837, 52392, 55106, 58941, 67248, 69116, 75654, 76464, 78588, 82659, 100872, 103674, 104784, 110212, 117882, 138232, 151308, 155511, 157176, 165318, 176823, 201744, 207348, 220424, 235764, 247977, 276464, 302616, 311022, 314352, 330636, 353646, 414696, 440848, 466533, 471528, 495954, 605232, 622044, 661272, 707292, 743931, 829392, 933066, 943056, 991908, 1019461, 1244088, 1322544, 1399599, 1414584, 1487862, 1866132, 1983816, 2038922, 2231793, 2488176, 2799198, 2829168, 2975724, 3058383, 3732264, 3967632, 4077844, 4463586, 5598396, 5951448, 6116766, 7464528, 8155688, 8927172, 9175149, 11196792, 11902896, 12233532, 16311376, 17854344, 18350298, 22393584, 24467064, 27525447, 35708688, 36700596, 48934128, 55050894, 73401192, 82576341, 110101788, 146802384, 165152682, 220203576, 330305364, 440407152, 660610728, 1321221456]

約数ペア:

[(1, 1321221456), (2, 660610728), (3, 440407152), (4, 330305364), (6, 220203576), (8, 165152682), (9, 146802384), (12, 110101788), (16, 82576341), (18, 73401192), (24, 55050894), (27, 48934128), (36, 36700596), (37, 35708688), (48, 27525447), (54, 24467064), (59, 22393584), (72, 18350298), (74, 17854344), (81, 16311376), (108, 12233532), (111, 11902896), (118, 11196792), (144, 9175149), (148, 8927172), (162, 8155688), (177, 7464528), (216, 6116766), (222, 5951448), (236, 5598396), (296, 4463586), (324, 4077844), (333, 3967632), (354, 3732264), (432, 3058383), (444, 2975724), (467, 2829168), (472, 2799198), (531, 2488176), (592, 2231793), (648, 2038922), (666, 1983816), (708, 1866132), (888, 1487862), (934, 1414584), (944, 1399599), (999, 1322544), (1062, 1244088), (1296, 1019461), (1332, 991908), (1401, 943056), (1416, 933066), (1593, 829392), (1776, 743931), (1868, 707292), (1998, 661272), (2124, 622044), (2183, 605232), (2664, 495954), (2802, 471528), (2832, 466533), (2997, 440848), (3186, 414696), (3736, 353646), (3996, 330636), (4203, 314352), (4248, 311022), (4366, 302616), (4779, 276464), (5328, 247977), (5604, 235764), (5994, 220424), (6372, 207348), (6549, 201744), (7472, 176823), (7992, 165318), (8406, 157176), (8496, 155511), (8732, 151308), (9558, 138232), (11208, 117882), (11988, 110212), (12609, 104784), (12744, 103674), (13098, 100872), (15984, 82659), (16812, 78588), (17279, 76464), (17464, 75654), (19116, 69116), (19647, 67248), (22416, 58941), (23976, 55106), (25218, 52392), (25488, 51837), (26196, 50436), (27553, 47952), (33624, 39294), (34558, 38232), (34928, 37827)]