81177552

素因数分解:

$2^4\times 3^5\times {\mathrm{20879}}^1$

素因数の和:20902

約数の個数: 60

約数和(自身を含む): 235609920

約数和(自身を除く): 154432368

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 81, 108, 144, 162, 216, 243, 324, 432, 486, 648, 972, 1296, 1944, 3888, 20879, 41758, 62637, 83516, 125274, 167032, 187911, 250548, 334064, 375822, 501096, 563733, 751644, 1002192, 1127466, 1503288, 1691199, 2254932, 3006576, 3382398, 4509864, 5073597, 6764796, 9019728, 10147194, 13529592, 20294388, 27059184, 40588776, 81177552]

約数ペア:

[(1, 81177552), (2, 40588776), (3, 27059184), (4, 20294388), (6, 13529592), (8, 10147194), (9, 9019728), (12, 6764796), (16, 5073597), (18, 4509864), (24, 3382398), (27, 3006576), (36, 2254932), (48, 1691199), (54, 1503288), (72, 1127466), (81, 1002192), (108, 751644), (144, 563733), (162, 501096), (216, 375822), (243, 334064), (324, 250548), (432, 187911), (486, 167032), (648, 125274), (972, 83516), (1296, 62637), (1944, 41758), (3888, 20879)]