128847720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{10631}}^1$

素因数の和:10746

約数の個数: 64

約数和(自身を含む): 390407040

約数和(自身を除く): 261559320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 101, 120, 202, 303, 404, 505, 606, 808, 1010, 1212, 1515, 2020, 2424, 3030, 4040, 6060, 10631, 12120, 21262, 31893, 42524, 53155, 63786, 85048, 106310, 127572, 159465, 212620, 255144, 318930, 425240, 637860, 1073731, 1275720, 2147462, 3221193, 4294924, 5368655, 6442386, 8589848, 10737310, 12884772, 16105965, 21474620, 25769544, 32211930, 42949240, 64423860, 128847720]

約数ペア:

[(1, 128847720), (2, 64423860), (3, 42949240), (4, 32211930), (5, 25769544), (6, 21474620), (8, 16105965), (10, 12884772), (12, 10737310), (15, 8589848), (20, 6442386), (24, 5368655), (30, 4294924), (40, 3221193), (60, 2147462), (101, 1275720), (120, 1073731), (202, 637860), (303, 425240), (404, 318930), (505, 255144), (606, 212620), (808, 159465), (1010, 127572), (1212, 106310), (1515, 85048), (2020, 63786), (2424, 53155), (3030, 42524), (4040, 31893), (6060, 21262), (10631, 12120)]