81303160

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{1319}}^1$

素因数の和:1420

約数の個数: 64

約数和(自身を含む): 193881600

約数和(自身を除く): 112578440

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 67, 92, 115, 134, 184, 230, 268, 335, 460, 536, 670, 920, 1319, 1340, 1541, 2638, 2680, 3082, 5276, 6164, 6595, 7705, 10552, 12328, 13190, 15410, 26380, 30337, 30820, 52760, 60674, 61640, 88373, 121348, 151685, 176746, 242696, 303370, 353492, 441865, 606740, 706984, 883730, 1213480, 1767460, 2032579, 3534920, 4065158, 8130316, 10162895, 16260632, 20325790, 40651580, 81303160]

約数ペア:

[(1, 81303160), (2, 40651580), (4, 20325790), (5, 16260632), (8, 10162895), (10, 8130316), (20, 4065158), (23, 3534920), (40, 2032579), (46, 1767460), (67, 1213480), (92, 883730), (115, 706984), (134, 606740), (184, 441865), (230, 353492), (268, 303370), (335, 242696), (460, 176746), (536, 151685), (670, 121348), (920, 88373), (1319, 61640), (1340, 60674), (1541, 52760), (2638, 30820), (2680, 30337), (3082, 26380), (5276, 15410), (6164, 13190), (6595, 12328), (7705, 10552)]