81590928

素因数分解:

$2^4\times 3^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{269}}^1$

素因数の和:440

約数の個数: 80

約数和(自身を含む): 216950400

約数和(自身を除く): 135359472

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 71, 89, 142, 178, 213, 267, 269, 284, 356, 426, 534, 538, 568, 712, 807, 852, 1068, 1076, 1136, 1424, 1614, 1704, 2136, 2152, 3228, 3408, 4272, 4304, 6319, 6456, 12638, 12912, 18957, 19099, 23941, 25276, 37914, 38198, 47882, 50552, 57297, 71823, 75828, 76396, 95764, 101104, 114594, 143646, 151656, 152792, 191528, 229188, 287292, 303312, 305584, 383056, 458376, 574584, 916752, 1149168, 1699811, 3399622, 5099433, 6799244, 10198866, 13598488, 20397732, 27196976, 40795464, 81590928]

約数ペア:

[(1, 81590928), (2, 40795464), (3, 27196976), (4, 20397732), (6, 13598488), (8, 10198866), (12, 6799244), (16, 5099433), (24, 3399622), (48, 1699811), (71, 1149168), (89, 916752), (142, 574584), (178, 458376), (213, 383056), (267, 305584), (269, 303312), (284, 287292), (356, 229188), (426, 191528), (534, 152792), (538, 151656), (568, 143646), (712, 114594), (807, 101104), (852, 95764), (1068, 76396), (1076, 75828), (1136, 71823), (1424, 57297), (1614, 50552), (1704, 47882), (2136, 38198), (2152, 37914), (3228, 25276), (3408, 23941), (4272, 19099), (4304, 18957), (6319, 12912), (6456, 12638)]