86782720

素因数分解:

$2^8\times 5^1\times {\mathrm{151}}^1\times {\mathrm{449}}^1$

素因数の和:621

約数の個数: 72

約数和(自身を含む): 209714400

約数和(自身を除く): 122931680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 151, 160, 256, 302, 320, 449, 604, 640, 755, 898, 1208, 1280, 1510, 1796, 2245, 2416, 3020, 3592, 4490, 4832, 6040, 7184, 8980, 9664, 12080, 14368, 17960, 19328, 24160, 28736, 35920, 38656, 48320, 57472, 67799, 71840, 96640, 114944, 135598, 143680, 193280, 271196, 287360, 338995, 542392, 574720, 677990, 1084784, 1355980, 2169568, 2711960, 4339136, 5423920, 8678272, 10847840, 17356544, 21695680, 43391360, 86782720]

約数ペア:

[(1, 86782720), (2, 43391360), (4, 21695680), (5, 17356544), (8, 10847840), (10, 8678272), (16, 5423920), (20, 4339136), (32, 2711960), (40, 2169568), (64, 1355980), (80, 1084784), (128, 677990), (151, 574720), (160, 542392), (256, 338995), (302, 287360), (320, 271196), (449, 193280), (604, 143680), (640, 135598), (755, 114944), (898, 96640), (1208, 71840), (1280, 67799), (1510, 57472), (1796, 48320), (2245, 38656), (2416, 35920), (3020, 28736), (3592, 24160), (4490, 19328), (4832, 17960), (6040, 14368), (7184, 12080), (8980, 9664)]