421637520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1756823}}^1$

素因数の和:1756839

約数の個数: 40

約数和(自身を含む): 1307077056

約数和(自身を除く): 885439536

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1756823, 3513646, 5270469, 7027292, 8784115, 10540938, 14054584, 17568230, 21081876, 26352345, 28109168, 35136460, 42163752, 52704690, 70272920, 84327504, 105409380, 140545840, 210818760, 421637520]

約数ペア:

[(1, 421637520), (2, 210818760), (3, 140545840), (4, 105409380), (5, 84327504), (6, 70272920), (8, 52704690), (10, 42163752), (12, 35136460), (15, 28109168), (16, 26352345), (20, 21081876), (24, 17568230), (30, 14054584), (40, 10540938), (48, 8784115), (60, 7027292), (80, 5270469), (120, 3513646), (240, 1756823)]