1285919820

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{32621}}^1$

素因数の和:32712

約数の個数: 96

約数和(自身を含む): 4055567040

約数和(自身を除く): 2769647220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 73, 90, 108, 135, 146, 180, 219, 270, 292, 365, 438, 540, 657, 730, 876, 1095, 1314, 1460, 1971, 2190, 2628, 3285, 3942, 4380, 6570, 7884, 9855, 13140, 19710, 32621, 39420, 65242, 97863, 130484, 163105, 195726, 293589, 326210, 391452, 489315, 587178, 652420, 880767, 978630, 1174356, 1467945, 1761534, 1957260, 2381333, 2935890, 3523068, 4403835, 4762666, 5871780, 7143999, 8807670, 9525332, 11906665, 14287998, 17615340, 21431997, 23813330, 28575996, 35719995, 42863994, 47626660, 64295991, 71439990, 85727988, 107159985, 128591982, 142879980, 214319970, 257183964, 321479955, 428639940, 642959910, 1285919820]

約数ペア:

[(1, 1285919820), (2, 642959910), (3, 428639940), (4, 321479955), (5, 257183964), (6, 214319970), (9, 142879980), (10, 128591982), (12, 107159985), (15, 85727988), (18, 71439990), (20, 64295991), (27, 47626660), (30, 42863994), (36, 35719995), (45, 28575996), (54, 23813330), (60, 21431997), (73, 17615340), (90, 14287998), (108, 11906665), (135, 9525332), (146, 8807670), (180, 7143999), (219, 5871780), (270, 4762666), (292, 4403835), (365, 3523068), (438, 2935890), (540, 2381333), (657, 1957260), (730, 1761534), (876, 1467945), (1095, 1174356), (1314, 978630), (1460, 880767), (1971, 652420), (2190, 587178), (2628, 489315), (3285, 391452), (3942, 326210), (4380, 293589), (6570, 195726), (7884, 163105), (9855, 130484), (13140, 97863), (19710, 65242), (32621, 39420)]