87989460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{112807}}^1$

素因数の和:112832

約数の個数: 48

約数和(自身を含む): 265324416

約数和(自身を除く): 177334956

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 112807, 225614, 338421, 451228, 564035, 676842, 1128070, 1353684, 1466491, 1692105, 2256140, 2932982, 3384210, 4399473, 5865964, 6768420, 7332455, 8798946, 14664910, 17597892, 21997365, 29329820, 43994730, 87989460]

約数ペア:

[(1, 87989460), (2, 43994730), (3, 29329820), (4, 21997365), (5, 17597892), (6, 14664910), (10, 8798946), (12, 7332455), (13, 6768420), (15, 5865964), (20, 4399473), (26, 3384210), (30, 2932982), (39, 2256140), (52, 1692105), (60, 1466491), (65, 1353684), (78, 1128070), (130, 676842), (156, 564035), (195, 451228), (260, 338421), (390, 225614), (780, 112807)]