78375040

素因数分解:

$2^7\times 5^1\times {\mathrm{151}}^1\times {\mathrm{811}}^1$

素因数の和:981

約数の個数: 64

約数和(自身を含む): 188838720

約数和(自身を除く): 110463680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 151, 160, 302, 320, 604, 640, 755, 811, 1208, 1510, 1622, 2416, 3020, 3244, 4055, 4832, 6040, 6488, 8110, 9664, 12080, 12976, 16220, 19328, 24160, 25952, 32440, 48320, 51904, 64880, 96640, 103808, 122461, 129760, 244922, 259520, 489844, 519040, 612305, 979688, 1224610, 1959376, 2449220, 3918752, 4898440, 7837504, 9796880, 15675008, 19593760, 39187520, 78375040]

約数ペア:

[(1, 78375040), (2, 39187520), (4, 19593760), (5, 15675008), (8, 9796880), (10, 7837504), (16, 4898440), (20, 3918752), (32, 2449220), (40, 1959376), (64, 1224610), (80, 979688), (128, 612305), (151, 519040), (160, 489844), (302, 259520), (320, 244922), (604, 129760), (640, 122461), (755, 103808), (811, 96640), (1208, 64880), (1510, 51904), (1622, 48320), (2416, 32440), (3020, 25952), (3244, 24160), (4055, 19328), (4832, 16220), (6040, 12976), (6488, 12080), (8110, 9664)]