71978480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1627}}^1$

素因数の和:1726

約数の個数: 80

約数和(自身を含む): 193797120

約数和(自身を除く): 121818640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 79, 80, 112, 140, 158, 280, 316, 395, 553, 560, 632, 790, 1106, 1264, 1580, 1627, 2212, 2765, 3160, 3254, 4424, 5530, 6320, 6508, 8135, 8848, 11060, 11389, 13016, 16270, 22120, 22778, 26032, 32540, 44240, 45556, 56945, 65080, 91112, 113890, 128533, 130160, 182224, 227780, 257066, 455560, 514132, 642665, 899731, 911120, 1028264, 1285330, 1799462, 2056528, 2570660, 3598924, 4498655, 5141320, 7197848, 8997310, 10282640, 14395696, 17994620, 35989240, 71978480]

約数ペア:

[(1, 71978480), (2, 35989240), (4, 17994620), (5, 14395696), (7, 10282640), (8, 8997310), (10, 7197848), (14, 5141320), (16, 4498655), (20, 3598924), (28, 2570660), (35, 2056528), (40, 1799462), (56, 1285330), (70, 1028264), (79, 911120), (80, 899731), (112, 642665), (140, 514132), (158, 455560), (280, 257066), (316, 227780), (395, 182224), (553, 130160), (560, 128533), (632, 113890), (790, 91112), (1106, 65080), (1264, 56945), (1580, 45556), (1627, 44240), (2212, 32540), (2765, 26032), (3160, 22778), (3254, 22120), (4424, 16270), (5530, 13016), (6320, 11389), (6508, 11060), (8135, 8848)]