72674460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{1571}}^1$

素因数の和:1843

約数の個数: 72

約数和(自身を含む): 221444496

約数和(自身を除く): 148770036

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 257, 514, 771, 1028, 1285, 1542, 1571, 2313, 2570, 3084, 3142, 3855, 4626, 4713, 5140, 6284, 7710, 7855, 9252, 9426, 11565, 14139, 15420, 15710, 18852, 23130, 23565, 28278, 31420, 46260, 47130, 56556, 70695, 94260, 141390, 282780, 403747, 807494, 1211241, 1614988, 2018735, 2422482, 3633723, 4037470, 4844964, 6056205, 7267446, 8074940, 12112410, 14534892, 18168615, 24224820, 36337230, 72674460]

約数ペア:

[(1, 72674460), (2, 36337230), (3, 24224820), (4, 18168615), (5, 14534892), (6, 12112410), (9, 8074940), (10, 7267446), (12, 6056205), (15, 4844964), (18, 4037470), (20, 3633723), (30, 2422482), (36, 2018735), (45, 1614988), (60, 1211241), (90, 807494), (180, 403747), (257, 282780), (514, 141390), (771, 94260), (1028, 70695), (1285, 56556), (1542, 47130), (1571, 46260), (2313, 31420), (2570, 28278), (3084, 23565), (3142, 23130), (3855, 18852), (4626, 15710), (4713, 15420), (5140, 14139), (6284, 11565), (7710, 9426), (7855, 9252)]