81585468

素因数分解:

$2^2\times 3^4\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{457}}^1$

素因数の和:521

約数の個数: 120

約数和(自身を含む): 232755600

約数和(自身を除く): 151170132

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 29, 36, 38, 54, 57, 58, 76, 81, 87, 108, 114, 116, 162, 171, 174, 228, 261, 324, 342, 348, 457, 513, 522, 551, 684, 783, 914, 1026, 1044, 1102, 1371, 1539, 1566, 1653, 1828, 2052, 2204, 2349, 2742, 3078, 3132, 3306, 4113, 4698, 4959, 5484, 6156, 6612, 8226, 8683, 9396, 9918, 12339, 13253, 14877, 16452, 17366, 19836, 24678, 26049, 26506, 29754, 34732, 37017, 39759, 44631, 49356, 52098, 53012, 59508, 74034, 78147, 79518, 89262, 104196, 119277, 148068, 156294, 159036, 178524, 234441, 238554, 251807, 312588, 357831, 468882, 477108, 503614, 703323, 715662, 755421, 937764, 1007228, 1073493, 1406646, 1431324, 1510842, 2146986, 2266263, 2813292, 3021684, 4293972, 4532526, 6798789, 9065052, 13597578, 20396367, 27195156, 40792734, 81585468]

約数ペア:

[(1, 81585468), (2, 40792734), (3, 27195156), (4, 20396367), (6, 13597578), (9, 9065052), (12, 6798789), (18, 4532526), (19, 4293972), (27, 3021684), (29, 2813292), (36, 2266263), (38, 2146986), (54, 1510842), (57, 1431324), (58, 1406646), (76, 1073493), (81, 1007228), (87, 937764), (108, 755421), (114, 715662), (116, 703323), (162, 503614), (171, 477108), (174, 468882), (228, 357831), (261, 312588), (324, 251807), (342, 238554), (348, 234441), (457, 178524), (513, 159036), (522, 156294), (551, 148068), (684, 119277), (783, 104196), (914, 89262), (1026, 79518), (1044, 78147), (1102, 74034), (1371, 59508), (1539, 53012), (1566, 52098), (1653, 49356), (1828, 44631), (2052, 39759), (2204, 37017), (2349, 34732), (2742, 29754), (3078, 26506), (3132, 26049), (3306, 24678), (4113, 19836), (4698, 17366), (4959, 16452), (5484, 14877), (6156, 13253), (6612, 12339), (8226, 9918), (8683, 9396)]