201816960

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{409}}^1$

素因数の和:688

約数の個数: 128

約数和(自身を含む): 647373600

約数和(自身を除く): 445556640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 257, 320, 384, 409, 480, 514, 640, 771, 818, 960, 1028, 1227, 1285, 1542, 1636, 1920, 2045, 2056, 2454, 2570, 3084, 3272, 3855, 4090, 4112, 4908, 5140, 6135, 6168, 6544, 7710, 8180, 8224, 9816, 10280, 12270, 12336, 13088, 15420, 16360, 16448, 19632, 20560, 24540, 24672, 26176, 30840, 32720, 32896, 39264, 41120, 49080, 49344, 52352, 61680, 65440, 78528, 82240, 98160, 98688, 105113, 123360, 130880, 157056, 164480, 196320, 210226, 246720, 261760, 315339, 392640, 420452, 493440, 525565, 630678, 785280, 840904, 1051130, 1261356, 1576695, 1681808, 2102260, 2522712, 3153390, 3363616, 4204520, 5045424, 6306780, 6727232, 8409040, 10090848, 12613560, 13454464, 16818080, 20181696, 25227120, 33636160, 40363392, 50454240, 67272320, 100908480, 201816960]

約数ペア:

[(1, 201816960), (2, 100908480), (3, 67272320), (4, 50454240), (5, 40363392), (6, 33636160), (8, 25227120), (10, 20181696), (12, 16818080), (15, 13454464), (16, 12613560), (20, 10090848), (24, 8409040), (30, 6727232), (32, 6306780), (40, 5045424), (48, 4204520), (60, 3363616), (64, 3153390), (80, 2522712), (96, 2102260), (120, 1681808), (128, 1576695), (160, 1261356), (192, 1051130), (240, 840904), (257, 785280), (320, 630678), (384, 525565), (409, 493440), (480, 420452), (514, 392640), (640, 315339), (771, 261760), (818, 246720), (960, 210226), (1028, 196320), (1227, 164480), (1285, 157056), (1542, 130880), (1636, 123360), (1920, 105113), (2045, 98688), (2056, 98160), (2454, 82240), (2570, 78528), (3084, 65440), (3272, 61680), (3855, 52352), (4090, 49344), (4112, 49080), (4908, 41120), (5140, 39264), (6135, 32896), (6168, 32720), (6544, 30840), (7710, 26176), (8180, 24672), (8224, 24540), (9816, 20560), (10280, 19632), (12270, 16448), (12336, 16360), (13088, 15420)]