1323303920

素因数分解:

$2^4\times 5^1\times {\mathrm{59}}^1\times {\mathrm{491}}^1\times {\mathrm{571}}^1$

素因数の和:1134

約数の個数: 80

約数和(自身を含む): 3140691840

約数和(自身を除く): 1817387920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 59, 80, 118, 236, 295, 472, 491, 571, 590, 944, 982, 1142, 1180, 1964, 2284, 2360, 2455, 2855, 3928, 4568, 4720, 4910, 5710, 7856, 9136, 9820, 11420, 19640, 22840, 28969, 33689, 39280, 45680, 57938, 67378, 115876, 134756, 144845, 168445, 231752, 269512, 280361, 289690, 336890, 463504, 539024, 560722, 579380, 673780, 1121444, 1158760, 1347560, 1401805, 2242888, 2317520, 2695120, 2803610, 4485776, 5607220, 11214440, 16541299, 22428880, 33082598, 66165196, 82706495, 132330392, 165412990, 264660784, 330825980, 661651960, 1323303920]

約数ペア:

[(1, 1323303920), (2, 661651960), (4, 330825980), (5, 264660784), (8, 165412990), (10, 132330392), (16, 82706495), (20, 66165196), (40, 33082598), (59, 22428880), (80, 16541299), (118, 11214440), (236, 5607220), (295, 4485776), (472, 2803610), (491, 2695120), (571, 2317520), (590, 2242888), (944, 1401805), (982, 1347560), (1142, 1158760), (1180, 1121444), (1964, 673780), (2284, 579380), (2360, 560722), (2455, 539024), (2855, 463504), (3928, 336890), (4568, 289690), (4720, 280361), (4910, 269512), (5710, 231752), (7856, 168445), (9136, 144845), (9820, 134756), (11420, 115876), (19640, 67378), (22840, 57938), (28969, 45680), (33689, 39280)]