90931568

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{173}}^1$

素因数の和:239

約数の個数: 120

約数和(自身を含む): 230172768

約数和(自身を除く): 139241200

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 19, 26, 28, 38, 52, 56, 76, 91, 104, 112, 133, 152, 173, 182, 208, 247, 266, 304, 346, 361, 364, 494, 532, 692, 722, 728, 988, 1064, 1211, 1384, 1444, 1456, 1729, 1976, 2128, 2249, 2422, 2527, 2768, 2888, 3287, 3458, 3952, 4498, 4693, 4844, 5054, 5776, 6574, 6916, 8996, 9386, 9688, 10108, 13148, 13832, 15743, 17992, 18772, 19376, 20216, 23009, 26296, 27664, 31486, 32851, 35984, 37544, 40432, 42731, 46018, 52592, 62453, 62972, 65702, 75088, 85462, 92036, 124906, 125944, 131404, 170924, 184072, 249812, 251888, 262808, 299117, 341848, 368144, 437171, 499624, 525616, 598234, 683696, 811889, 874342, 999248, 1196468, 1623778, 1748684, 2392936, 3247556, 3497368, 4785872, 5683223, 6495112, 6994736, 11366446, 12990224, 22732892, 45465784, 90931568]

約数ペア:

[(1, 90931568), (2, 45465784), (4, 22732892), (7, 12990224), (8, 11366446), (13, 6994736), (14, 6495112), (16, 5683223), (19, 4785872), (26, 3497368), (28, 3247556), (38, 2392936), (52, 1748684), (56, 1623778), (76, 1196468), (91, 999248), (104, 874342), (112, 811889), (133, 683696), (152, 598234), (173, 525616), (182, 499624), (208, 437171), (247, 368144), (266, 341848), (304, 299117), (346, 262808), (361, 251888), (364, 249812), (494, 184072), (532, 170924), (692, 131404), (722, 125944), (728, 124906), (988, 92036), (1064, 85462), (1211, 75088), (1384, 65702), (1444, 62972), (1456, 62453), (1729, 52592), (1976, 46018), (2128, 42731), (2249, 40432), (2422, 37544), (2527, 35984), (2768, 32851), (2888, 31486), (3287, 27664), (3458, 26296), (3952, 23009), (4498, 20216), (4693, 19376), (4844, 18772), (5054, 17992), (5776, 15743), (6574, 13832), (6916, 13148), (8996, 10108), (9386, 9688)]