65216280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{2731}}^1$

素因数の和:2944

約数の個数: 64

約数和(自身を含む): 196704000

約数和(自身を除く): 131487720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 199, 398, 597, 796, 995, 1194, 1592, 1990, 2388, 2731, 2985, 3980, 4776, 5462, 5970, 7960, 8193, 10924, 11940, 13655, 16386, 21848, 23880, 27310, 32772, 40965, 54620, 65544, 81930, 109240, 163860, 327720, 543469, 1086938, 1630407, 2173876, 2717345, 3260814, 4347752, 5434690, 6521628, 8152035, 10869380, 13043256, 16304070, 21738760, 32608140, 65216280]

約数ペア:

[(1, 65216280), (2, 32608140), (3, 21738760), (4, 16304070), (5, 13043256), (6, 10869380), (8, 8152035), (10, 6521628), (12, 5434690), (15, 4347752), (20, 3260814), (24, 2717345), (30, 2173876), (40, 1630407), (60, 1086938), (120, 543469), (199, 327720), (398, 163860), (597, 109240), (796, 81930), (995, 65544), (1194, 54620), (1592, 40965), (1990, 32772), (2388, 27310), (2731, 23880), (2985, 21848), (3980, 16386), (4776, 13655), (5462, 11940), (5970, 10924), (7960, 8193)]