77656960

素因数分解:

$2^7\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1709}}^1$

素因数の和:1799

約数の個数: 64

約数和(自身を含む): 188373600

約数和(自身を除く): 110716640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 128, 142, 160, 284, 320, 355, 568, 640, 710, 1136, 1420, 1709, 2272, 2840, 3418, 4544, 5680, 6836, 8545, 9088, 11360, 13672, 17090, 22720, 27344, 34180, 45440, 54688, 68360, 109376, 121339, 136720, 218752, 242678, 273440, 485356, 546880, 606695, 970712, 1093760, 1213390, 1941424, 2426780, 3882848, 4853560, 7765696, 9707120, 15531392, 19414240, 38828480, 77656960]

約数ペア:

[(1, 77656960), (2, 38828480), (4, 19414240), (5, 15531392), (8, 9707120), (10, 7765696), (16, 4853560), (20, 3882848), (32, 2426780), (40, 1941424), (64, 1213390), (71, 1093760), (80, 970712), (128, 606695), (142, 546880), (160, 485356), (284, 273440), (320, 242678), (355, 218752), (568, 136720), (640, 121339), (710, 109376), (1136, 68360), (1420, 54688), (1709, 45440), (2272, 34180), (2840, 27344), (3418, 22720), (4544, 17090), (5680, 13672), (6836, 11360), (8545, 9088)]