1800195720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{148531}}^1$

素因数の和:148646

約数の個数: 64

約数和(自身を含む): 5454095040

約数和(自身を除く): 3653899320

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, 12120, 148531, 297062, 445593, 594124, 742655, 891186, 1188248, 1485310, 1782372, 2227965, 2970620, 3564744, 4455930, 5941240, 8911860, 15001631, 17823720, 30003262, 45004893, 60006524, 75008155, 90009786, 120013048, 150016310, 180019572, 225024465, 300032620, 360039144, 450048930, 600065240, 900097860, 1800195720]

約数ペア:

[(1, 1800195720), (2, 900097860), (3, 600065240), (4, 450048930), (5, 360039144), (6, 300032620), (8, 225024465), (10, 180019572), (12, 150016310), (15, 120013048), (20, 90009786), (24, 75008155), (30, 60006524), (40, 45004893), (60, 30003262), (101, 17823720), (120, 15001631), (202, 8911860), (303, 5941240), (404, 4455930), (505, 3564744), (606, 2970620), (808, 2227965), (1010, 1782372), (1212, 1485310), (1515, 1188248), (2020, 891186), (2424, 742655), (3030, 594124), (4040, 445593), (6060, 297062), (12120, 148531)]