279897072

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{461}}^1$

素因数の和:631

約数の個数: 160

約数和(自身を含む): 898275840

約数和(自身を除く): 618378768

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 39, 42, 48, 52, 56, 78, 84, 91, 104, 112, 139, 156, 168, 182, 208, 273, 278, 312, 336, 364, 417, 461, 546, 556, 624, 728, 834, 922, 973, 1092, 1112, 1383, 1456, 1668, 1807, 1844, 1946, 2184, 2224, 2766, 2919, 3227, 3336, 3614, 3688, 3892, 4368, 5421, 5532, 5838, 5993, 6454, 6672, 7228, 7376, 7784, 9681, 10842, 11064, 11676, 11986, 12649, 12908, 14456, 15568, 17979, 19362, 21684, 22128, 23352, 23972, 25298, 25816, 28912, 35958, 37947, 38724, 41951, 43368, 46704, 47944, 50596, 51632, 64079, 71916, 75894, 77448, 83902, 86736, 95888, 101192, 125853, 128158, 143832, 151788, 154896, 167804, 192237, 202384, 251706, 256316, 287664, 303576, 335608, 384474, 448553, 503412, 512632, 607152, 671216, 768948, 833027, 897106, 1006824, 1025264, 1345659, 1537896, 1666054, 1794212, 2013648, 2499081, 2691318, 3075792, 3332108, 3588424, 4998162, 5382636, 5831189, 6664216, 7176848, 9996324, 10765272, 11662378, 13328432, 17493567, 19992648, 21530544, 23324756, 34987134, 39985296, 46649512, 69974268, 93299024, 139948536, 279897072]

約数ペア:

[(1, 279897072), (2, 139948536), (3, 93299024), (4, 69974268), (6, 46649512), (7, 39985296), (8, 34987134), (12, 23324756), (13, 21530544), (14, 19992648), (16, 17493567), (21, 13328432), (24, 11662378), (26, 10765272), (28, 9996324), (39, 7176848), (42, 6664216), (48, 5831189), (52, 5382636), (56, 4998162), (78, 3588424), (84, 3332108), (91, 3075792), (104, 2691318), (112, 2499081), (139, 2013648), (156, 1794212), (168, 1666054), (182, 1537896), (208, 1345659), (273, 1025264), (278, 1006824), (312, 897106), (336, 833027), (364, 768948), (417, 671216), (461, 607152), (546, 512632), (556, 503412), (624, 448553), (728, 384474), (834, 335608), (922, 303576), (973, 287664), (1092, 256316), (1112, 251706), (1383, 202384), (1456, 192237), (1668, 167804), (1807, 154896), (1844, 151788), (1946, 143832), (2184, 128158), (2224, 125853), (2766, 101192), (2919, 95888), (3227, 86736), (3336, 83902), (3614, 77448), (3688, 75894), (3892, 71916), (4368, 64079), (5421, 51632), (5532, 50596), (5838, 47944), (5993, 46704), (6454, 43368), (6672, 41951), (7228, 38724), (7376, 37947), (7784, 35958), (9681, 28912), (10842, 25816), (11064, 25298), (11676, 23972), (11986, 23352), (12649, 22128), (12908, 21684), (14456, 19362), (15568, 17979)]