15989808

素因数分解:

$2^4\times 3^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:242

約数の個数: 80

約数和(自身を含む): 43298816

約数和(自身を除く): 27309008

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 43, 48, 61, 86, 122, 127, 129, 172, 183, 244, 254, 258, 344, 366, 381, 488, 508, 516, 688, 732, 762, 976, 1016, 1032, 1464, 1524, 2032, 2064, 2623, 2928, 3048, 5246, 5461, 6096, 7747, 7869, 10492, 10922, 15494, 15738, 16383, 20984, 21844, 23241, 30988, 31476, 32766, 41968, 43688, 46482, 61976, 62952, 65532, 87376, 92964, 123952, 125904, 131064, 185928, 262128, 333121, 371856, 666242, 999363, 1332484, 1998726, 2664968, 3997452, 5329936, 7994904, 15989808]

約数ペア:

[(1, 15989808), (2, 7994904), (3, 5329936), (4, 3997452), (6, 2664968), (8, 1998726), (12, 1332484), (16, 999363), (24, 666242), (43, 371856), (48, 333121), (61, 262128), (86, 185928), (122, 131064), (127, 125904), (129, 123952), (172, 92964), (183, 87376), (244, 65532), (254, 62952), (258, 61976), (344, 46482), (366, 43688), (381, 41968), (488, 32766), (508, 31476), (516, 30988), (688, 23241), (732, 21844), (762, 20984), (976, 16383), (1016, 15738), (1032, 15494), (1464, 10922), (1524, 10492), (2032, 7869), (2064, 7747), (2623, 6096), (2928, 5461), (3048, 5246)]