1718865680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{99013}}^1$

素因数の和:99064

約数の個数: 80

約数和(自身を含む): 4714650624

約数和(自身を除く): 2995784944

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1240, 1736, 2170, 2480, 3472, 4340, 8680, 17360, 99013, 198026, 396052, 495065, 693091, 792104, 990130, 1386182, 1584208, 1980260, 2772364, 3069403, 3465455, 3960520, 5544728, 6138806, 6930910, 7921040, 11089456, 12277612, 13861820, 15347015, 21485821, 24555224, 27723640, 30694030, 42971642, 49110448, 55447280, 61388060, 85943284, 107429105, 122776120, 171886568, 214858210, 245552240, 343773136, 429716420, 859432840, 1718865680]

約数ペア:

[(1, 1718865680), (2, 859432840), (4, 429716420), (5, 343773136), (7, 245552240), (8, 214858210), (10, 171886568), (14, 122776120), (16, 107429105), (20, 85943284), (28, 61388060), (31, 55447280), (35, 49110448), (40, 42971642), (56, 30694030), (62, 27723640), (70, 24555224), (80, 21485821), (112, 15347015), (124, 13861820), (140, 12277612), (155, 11089456), (217, 7921040), (248, 6930910), (280, 6138806), (310, 5544728), (434, 3960520), (496, 3465455), (560, 3069403), (620, 2772364), (868, 1980260), (1085, 1584208), (1240, 1386182), (1736, 990130), (2170, 792104), (2480, 693091), (3472, 495065), (4340, 396052), (8680, 198026), (17360, 99013)]