2121822840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{257}}^1\times {\mathrm{643}}^1$

素因数の和:1021

約数の個数: 128

約数和(自身を含む): 6459989760

約数和(自身を除く): 4338166920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 107, 120, 214, 257, 321, 428, 514, 535, 642, 643, 771, 856, 1028, 1070, 1284, 1285, 1286, 1542, 1605, 1929, 2056, 2140, 2568, 2570, 2572, 3084, 3210, 3215, 3855, 3858, 4280, 5140, 5144, 6168, 6420, 6430, 7710, 7716, 9645, 10280, 12840, 12860, 15420, 15432, 19290, 25720, 27499, 30840, 38580, 54998, 68801, 77160, 82497, 109996, 137495, 137602, 164994, 165251, 206403, 219992, 274990, 275204, 329988, 330502, 344005, 412485, 412806, 495753, 549980, 550408, 659976, 661004, 688010, 824970, 825612, 826255, 991506, 1032015, 1099960, 1322008, 1376020, 1649940, 1651224, 1652510, 1983012, 2064030, 2478765, 2752040, 3299880, 3305020, 3966024, 4128060, 4957530, 6610040, 8256120, 9915060, 17681857, 19830120, 35363714, 53045571, 70727428, 88409285, 106091142, 141454856, 176818570, 212182284, 265227855, 353637140, 424364568, 530455710, 707274280, 1060911420, 2121822840]

約数ペア:

[(1, 2121822840), (2, 1060911420), (3, 707274280), (4, 530455710), (5, 424364568), (6, 353637140), (8, 265227855), (10, 212182284), (12, 176818570), (15, 141454856), (20, 106091142), (24, 88409285), (30, 70727428), (40, 53045571), (60, 35363714), (107, 19830120), (120, 17681857), (214, 9915060), (257, 8256120), (321, 6610040), (428, 4957530), (514, 4128060), (535, 3966024), (642, 3305020), (643, 3299880), (771, 2752040), (856, 2478765), (1028, 2064030), (1070, 1983012), (1284, 1652510), (1285, 1651224), (1286, 1649940), (1542, 1376020), (1605, 1322008), (1929, 1099960), (2056, 1032015), (2140, 991506), (2568, 826255), (2570, 825612), (2572, 824970), (3084, 688010), (3210, 661004), (3215, 659976), (3855, 550408), (3858, 549980), (4280, 495753), (5140, 412806), (5144, 412485), (6168, 344005), (6420, 330502), (6430, 329988), (7710, 275204), (7716, 274990), (9645, 219992), (10280, 206403), (12840, 165251), (12860, 164994), (15420, 137602), (15432, 137495), (19290, 109996), (25720, 82497), (27499, 77160), (30840, 68801), (38580, 54998)]