80406872

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:205

約数の個数: 128

約数和(自身を含む): 201398400

約数和(自身を除く): 120991528

約数列:

[1, 2, 4, 7, 8, 13, 14, 17, 26, 28, 34, 52, 56, 68, 73, 89, 91, 104, 119, 136, 146, 178, 182, 221, 238, 292, 356, 364, 442, 476, 511, 584, 623, 712, 728, 884, 949, 952, 1022, 1157, 1241, 1246, 1513, 1547, 1768, 1898, 2044, 2314, 2482, 2492, 3026, 3094, 3796, 4088, 4628, 4964, 4984, 6052, 6188, 6497, 6643, 7592, 8099, 8687, 9256, 9928, 10591, 12104, 12376, 12994, 13286, 16133, 16198, 17374, 19669, 21182, 25988, 26572, 32266, 32396, 34748, 39338, 42364, 45479, 51976, 53144, 64532, 64792, 69496, 78676, 84461, 84728, 90958, 110449, 112931, 129064, 137683, 157352, 168922, 181916, 220898, 225862, 275366, 337844, 363832, 441796, 451724, 550732, 591227, 675688, 773143, 883592, 903448, 1101464, 1182454, 1435837, 1546286, 2364908, 2871674, 3092572, 4729816, 5743348, 6185144, 10050859, 11486696, 20101718, 40203436, 80406872]

約数ペア:

[(1, 80406872), (2, 40203436), (4, 20101718), (7, 11486696), (8, 10050859), (13, 6185144), (14, 5743348), (17, 4729816), (26, 3092572), (28, 2871674), (34, 2364908), (52, 1546286), (56, 1435837), (68, 1182454), (73, 1101464), (89, 903448), (91, 883592), (104, 773143), (119, 675688), (136, 591227), (146, 550732), (178, 451724), (182, 441796), (221, 363832), (238, 337844), (292, 275366), (356, 225862), (364, 220898), (442, 181916), (476, 168922), (511, 157352), (584, 137683), (623, 129064), (712, 112931), (728, 110449), (884, 90958), (949, 84728), (952, 84461), (1022, 78676), (1157, 69496), (1241, 64792), (1246, 64532), (1513, 53144), (1547, 51976), (1768, 45479), (1898, 42364), (2044, 39338), (2314, 34748), (2482, 32396), (2492, 32266), (3026, 26572), (3094, 25988), (3796, 21182), (4088, 19669), (4628, 17374), (4964, 16198), (4984, 16133), (6052, 13286), (6188, 12994), (6497, 12376), (6643, 12104), (7592, 10591), (8099, 9928), (8687, 9256)]