128946880

素因数分解:

$2^6\times 5^1\times {\mathrm{53}}^1\times {\mathrm{7603}}^1$

素因数の和:7673

約数の個数: 56

約数和(自身を含む): 312889392

約数和(自身を除く): 183942512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 64, 80, 106, 160, 212, 265, 320, 424, 530, 848, 1060, 1696, 2120, 3392, 4240, 7603, 8480, 15206, 16960, 30412, 38015, 60824, 76030, 121648, 152060, 243296, 304120, 402959, 486592, 608240, 805918, 1216480, 1611836, 2014795, 2432960, 3223672, 4029590, 6447344, 8059180, 12894688, 16118360, 25789376, 32236720, 64473440, 128946880]

約数ペア:

[(1, 128946880), (2, 64473440), (4, 32236720), (5, 25789376), (8, 16118360), (10, 12894688), (16, 8059180), (20, 6447344), (32, 4029590), (40, 3223672), (53, 2432960), (64, 2014795), (80, 1611836), (106, 1216480), (160, 805918), (212, 608240), (265, 486592), (320, 402959), (424, 304120), (530, 243296), (848, 152060), (1060, 121648), (1696, 76030), (2120, 60824), (3392, 38015), (4240, 30412), (7603, 16960), (8480, 15206)]