72128960

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{13259}}^1$

素因数の和:13293

約数の個数: 56

約数和(自身を含む): 181874160

約数和(自身を除く): 109745200

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 136, 160, 170, 272, 320, 340, 544, 680, 1088, 1360, 2720, 5440, 13259, 26518, 53036, 66295, 106072, 132590, 212144, 225403, 265180, 424288, 450806, 530360, 848576, 901612, 1060720, 1127015, 1803224, 2121440, 2254030, 3606448, 4242880, 4508060, 7212896, 9016120, 14425792, 18032240, 36064480, 72128960]

約数ペア:

[(1, 72128960), (2, 36064480), (4, 18032240), (5, 14425792), (8, 9016120), (10, 7212896), (16, 4508060), (17, 4242880), (20, 3606448), (32, 2254030), (34, 2121440), (40, 1803224), (64, 1127015), (68, 1060720), (80, 901612), (85, 848576), (136, 530360), (160, 450806), (170, 424288), (272, 265180), (320, 225403), (340, 212144), (544, 132590), (680, 106072), (1088, 66295), (1360, 53036), (2720, 26518), (5440, 13259)]