78414880

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{227}}^1$

素因数の和:386

約数の個数: 96

約数和(自身を含む): 198567936

約数和(自身を除く): 120153056

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 127, 136, 160, 170, 227, 254, 272, 340, 454, 508, 544, 635, 680, 908, 1016, 1135, 1270, 1360, 1816, 2032, 2159, 2270, 2540, 2720, 3632, 3859, 4064, 4318, 4540, 5080, 7264, 7718, 8636, 9080, 10160, 10795, 15436, 17272, 18160, 19295, 20320, 21590, 28829, 30872, 34544, 36320, 38590, 43180, 57658, 61744, 69088, 77180, 86360, 115316, 123488, 144145, 154360, 172720, 230632, 288290, 308720, 345440, 461264, 490093, 576580, 617440, 922528, 980186, 1153160, 1960372, 2306320, 2450465, 3920744, 4612640, 4900930, 7841488, 9801860, 15682976, 19603720, 39207440, 78414880]

約数ペア:

[(1, 78414880), (2, 39207440), (4, 19603720), (5, 15682976), (8, 9801860), (10, 7841488), (16, 4900930), (17, 4612640), (20, 3920744), (32, 2450465), (34, 2306320), (40, 1960372), (68, 1153160), (80, 980186), (85, 922528), (127, 617440), (136, 576580), (160, 490093), (170, 461264), (227, 345440), (254, 308720), (272, 288290), (340, 230632), (454, 172720), (508, 154360), (544, 144145), (635, 123488), (680, 115316), (908, 86360), (1016, 77180), (1135, 69088), (1270, 61744), (1360, 57658), (1816, 43180), (2032, 38590), (2159, 36320), (2270, 34544), (2540, 30872), (2720, 28829), (3632, 21590), (3859, 20320), (4064, 19295), (4318, 18160), (4540, 17272), (5080, 15436), (7264, 10795), (7718, 10160), (8636, 9080)]