1290756800

素因数分解:

$2^6\times 5^2\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{257}}^1$

素因数の和:395

約数の個数: 168

約数和(自身を含む): 3307268976

約数和(自身を除く): 2016512176

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 43, 50, 64, 73, 80, 86, 100, 146, 160, 172, 200, 215, 257, 292, 320, 344, 365, 400, 430, 514, 584, 688, 730, 800, 860, 1028, 1075, 1168, 1285, 1376, 1460, 1600, 1720, 1825, 2056, 2150, 2336, 2570, 2752, 2920, 3139, 3440, 3650, 4112, 4300, 4672, 5140, 5840, 6278, 6425, 6880, 7300, 8224, 8600, 10280, 11051, 11680, 12556, 12850, 13760, 14600, 15695, 16448, 17200, 18761, 20560, 22102, 23360, 25112, 25700, 29200, 31390, 34400, 37522, 41120, 44204, 50224, 51400, 55255, 58400, 62780, 68800, 75044, 78475, 82240, 88408, 93805, 100448, 102800, 110510, 116800, 125560, 150088, 156950, 176816, 187610, 200896, 205600, 221020, 251120, 276275, 300176, 313900, 353632, 375220, 411200, 442040, 469025, 502240, 552550, 600352, 627800, 707264, 750440, 806723, 884080, 938050, 1004480, 1105100, 1200704, 1255600, 1500880, 1613446, 1768160, 1876100, 2210200, 2511200, 3001760, 3226892, 3536320, 3752200, 4033615, 4420400, 5022400, 6003520, 6453784, 7504400, 8067230, 8840800, 12907568, 15008800, 16134460, 17681600, 20168075, 25815136, 30017600, 32268920, 40336150, 51630272, 64537840, 80672300, 129075680, 161344600, 258151360, 322689200, 645378400, 1290756800]

約数ペア:

[(1, 1290756800), (2, 645378400), (4, 322689200), (5, 258151360), (8, 161344600), (10, 129075680), (16, 80672300), (20, 64537840), (25, 51630272), (32, 40336150), (40, 32268920), (43, 30017600), (50, 25815136), (64, 20168075), (73, 17681600), (80, 16134460), (86, 15008800), (100, 12907568), (146, 8840800), (160, 8067230), (172, 7504400), (200, 6453784), (215, 6003520), (257, 5022400), (292, 4420400), (320, 4033615), (344, 3752200), (365, 3536320), (400, 3226892), (430, 3001760), (514, 2511200), (584, 2210200), (688, 1876100), (730, 1768160), (800, 1613446), (860, 1500880), (1028, 1255600), (1075, 1200704), (1168, 1105100), (1285, 1004480), (1376, 938050), (1460, 884080), (1600, 806723), (1720, 750440), (1825, 707264), (2056, 627800), (2150, 600352), (2336, 552550), (2570, 502240), (2752, 469025), (2920, 442040), (3139, 411200), (3440, 375220), (3650, 353632), (4112, 313900), (4300, 300176), (4672, 276275), (5140, 251120), (5840, 221020), (6278, 205600), (6425, 200896), (6880, 187610), (7300, 176816), (8224, 156950), (8600, 150088), (10280, 125560), (11051, 116800), (11680, 110510), (12556, 102800), (12850, 100448), (13760, 93805), (14600, 88408), (15695, 82240), (16448, 78475), (17200, 75044), (18761, 68800), (20560, 62780), (22102, 58400), (23360, 55255), (25112, 51400), (25700, 50224), (29200, 44204), (31390, 41120), (34400, 37522)]