1915534080

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{647}}^1$

素因数の和:931

約数の個数: 216

約数和(自身を含む): 6663619872

約数和(自身を除く): 4748085792

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, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 257, 288, 320, 360, 384, 480, 514, 576, 640, 647, 720, 768, 771, 960, 1028, 1152, 1280, 1285, 1294, 1440, 1542, 1920, 1941, 2056, 2304, 2313, 2570, 2588, 2880, 3084, 3235, 3840, 3855, 3882, 4112, 4626, 5140, 5176, 5760, 5823, 6168, 6470, 7710, 7764, 8224, 9252, 9705, 10280, 10352, 11520, 11565, 11646, 12336, 12940, 15420, 15528, 16448, 18504, 19410, 20560, 20704, 23130, 23292, 24672, 25880, 29115, 30840, 31056, 32896, 37008, 38820, 41120, 41408, 46260, 46584, 49344, 51760, 58230, 61680, 62112, 65792, 74016, 77640, 82240, 82816, 92520, 93168, 98688, 103520, 116460, 123360, 124224, 148032, 155280, 164480, 165632, 166279, 185040, 186336, 197376, 207040, 232920, 246720, 248448, 296064, 310560, 328960, 332558, 370080, 372672, 414080, 465840, 493440, 496896, 498837, 592128, 621120, 665116, 740160, 745344, 828160, 831395, 931680, 986880, 997674, 1242240, 1330232, 1480320, 1490688, 1496511, 1662790, 1863360, 1995348, 2484480, 2494185, 2660464, 2960640, 2993022, 3325580, 3726720, 3990696, 4988370, 5320928, 5986044, 6651160, 7453440, 7482555, 7981392, 9976740, 10641856, 11972088, 13302320, 14965110, 15962784, 19953480, 21283712, 23944176, 26604640, 29930220, 31925568, 39906960, 42567424, 47888352, 53209280, 59860440, 63851136, 79813920, 95776704, 106418560, 119720880, 127702272, 159627840, 191553408, 212837120, 239441760, 319255680, 383106816, 478883520, 638511360, 957767040, 1915534080]

約数ペア:

[(1, 1915534080), (2, 957767040), (3, 638511360), (4, 478883520), (5, 383106816), (6, 319255680), (8, 239441760), (9, 212837120), (10, 191553408), (12, 159627840), (15, 127702272), (16, 119720880), (18, 106418560), (20, 95776704), (24, 79813920), (30, 63851136), (32, 59860440), (36, 53209280), (40, 47888352), (45, 42567424), (48, 39906960), (60, 31925568), (64, 29930220), (72, 26604640), (80, 23944176), (90, 21283712), (96, 19953480), (120, 15962784), (128, 14965110), (144, 13302320), (160, 11972088), (180, 10641856), (192, 9976740), (240, 7981392), (256, 7482555), (257, 7453440), (288, 6651160), (320, 5986044), (360, 5320928), (384, 4988370), (480, 3990696), (514, 3726720), (576, 3325580), (640, 2993022), (647, 2960640), (720, 2660464), (768, 2494185), (771, 2484480), (960, 1995348), (1028, 1863360), (1152, 1662790), (1280, 1496511), (1285, 1490688), (1294, 1480320), (1440, 1330232), (1542, 1242240), (1920, 997674), (1941, 986880), (2056, 931680), (2304, 831395), (2313, 828160), (2570, 745344), (2588, 740160), (2880, 665116), (3084, 621120), (3235, 592128), (3840, 498837), (3855, 496896), (3882, 493440), (4112, 465840), (4626, 414080), (5140, 372672), (5176, 370080), (5760, 332558), (5823, 328960), (6168, 310560), (6470, 296064), (7710, 248448), (7764, 246720), (8224, 232920), (9252, 207040), (9705, 197376), (10280, 186336), (10352, 185040), (11520, 166279), (11565, 165632), (11646, 164480), (12336, 155280), (12940, 148032), (15420, 124224), (15528, 123360), (16448, 116460), (18504, 103520), (19410, 98688), (20560, 93168), (20704, 92520), (23130, 82816), (23292, 82240), (24672, 77640), (25880, 74016), (29115, 65792), (30840, 62112), (31056, 61680), (32896, 58230), (37008, 51760), (38820, 49344), (41120, 46584), (41408, 46260)]