81949968

素因数分解:

$2^4\times 3^4\times {\mathrm{37}}^1\times {\mathrm{1709}}^1$

素因数の和:1766

約数の個数: 100

約数和(自身を含む): 243739980

約数和(自身を除く): 161790012

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 37, 48, 54, 72, 74, 81, 108, 111, 144, 148, 162, 216, 222, 296, 324, 333, 432, 444, 592, 648, 666, 888, 999, 1296, 1332, 1709, 1776, 1998, 2664, 2997, 3418, 3996, 5127, 5328, 5994, 6836, 7992, 10254, 11988, 13672, 15381, 15984, 20508, 23976, 27344, 30762, 41016, 46143, 47952, 61524, 63233, 82032, 92286, 123048, 126466, 138429, 184572, 189699, 246096, 252932, 276858, 369144, 379398, 505864, 553716, 569097, 738288, 758796, 1011728, 1107432, 1138194, 1517592, 1707291, 2214864, 2276388, 3035184, 3414582, 4552776, 5121873, 6829164, 9105552, 10243746, 13658328, 20487492, 27316656, 40974984, 81949968]

約数ペア:

[(1, 81949968), (2, 40974984), (3, 27316656), (4, 20487492), (6, 13658328), (8, 10243746), (9, 9105552), (12, 6829164), (16, 5121873), (18, 4552776), (24, 3414582), (27, 3035184), (36, 2276388), (37, 2214864), (48, 1707291), (54, 1517592), (72, 1138194), (74, 1107432), (81, 1011728), (108, 758796), (111, 738288), (144, 569097), (148, 553716), (162, 505864), (216, 379398), (222, 369144), (296, 276858), (324, 252932), (333, 246096), (432, 189699), (444, 184572), (592, 138429), (648, 126466), (666, 123048), (888, 92286), (999, 82032), (1296, 63233), (1332, 61524), (1709, 47952), (1776, 46143), (1998, 41016), (2664, 30762), (2997, 27344), (3418, 23976), (3996, 20508), (5127, 15984), (5328, 15381), (5994, 13672), (6836, 11988), (7992, 10254)]