239441760

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{647}}^1$

素因数の和:925

約数の個数: 144

約数和(自身を含む): 821542176

約数和(自身を除く): 582100416

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 257, 288, 360, 480, 514, 647, 720, 771, 1028, 1285, 1294, 1440, 1542, 1941, 2056, 2313, 2570, 2588, 3084, 3235, 3855, 3882, 4112, 4626, 5140, 5176, 5823, 6168, 6470, 7710, 7764, 8224, 9252, 9705, 10280, 10352, 11565, 11646, 12336, 12940, 15420, 15528, 18504, 19410, 20560, 20704, 23130, 23292, 24672, 25880, 29115, 30840, 31056, 37008, 38820, 41120, 46260, 46584, 51760, 58230, 61680, 62112, 74016, 77640, 92520, 93168, 103520, 116460, 123360, 155280, 166279, 185040, 186336, 232920, 310560, 332558, 370080, 465840, 498837, 665116, 831395, 931680, 997674, 1330232, 1496511, 1662790, 1995348, 2494185, 2660464, 2993022, 3325580, 3990696, 4988370, 5320928, 5986044, 6651160, 7482555, 7981392, 9976740, 11972088, 13302320, 14965110, 15962784, 19953480, 23944176, 26604640, 29930220, 39906960, 47888352, 59860440, 79813920, 119720880, 239441760]

約数ペア:

[(1, 239441760), (2, 119720880), (3, 79813920), (4, 59860440), (5, 47888352), (6, 39906960), (8, 29930220), (9, 26604640), (10, 23944176), (12, 19953480), (15, 15962784), (16, 14965110), (18, 13302320), (20, 11972088), (24, 9976740), (30, 7981392), (32, 7482555), (36, 6651160), (40, 5986044), (45, 5320928), (48, 4988370), (60, 3990696), (72, 3325580), (80, 2993022), (90, 2660464), (96, 2494185), (120, 1995348), (144, 1662790), (160, 1496511), (180, 1330232), (240, 997674), (257, 931680), (288, 831395), (360, 665116), (480, 498837), (514, 465840), (647, 370080), (720, 332558), (771, 310560), (1028, 232920), (1285, 186336), (1294, 185040), (1440, 166279), (1542, 155280), (1941, 123360), (2056, 116460), (2313, 103520), (2570, 93168), (2588, 92520), (3084, 77640), (3235, 74016), (3855, 62112), (3882, 61680), (4112, 58230), (4626, 51760), (5140, 46584), (5176, 46260), (5823, 41120), (6168, 38820), (6470, 37008), (7710, 31056), (7764, 30840), (8224, 29115), (9252, 25880), (9705, 24672), (10280, 23292), (10352, 23130), (11565, 20704), (11646, 20560), (12336, 19410), (12940, 18504), (15420, 15528)]