319777440

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{666203}}^1$

素因数の和:666221

約数の個数: 48

約数和(自身を含む): 1007300448

約数和(自身を除く): 687523008

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 666203, 1332406, 1998609, 2664812, 3331015, 3997218, 5329624, 6662030, 7994436, 9993045, 10659248, 13324060, 15988872, 19986090, 21318496, 26648120, 31977744, 39972180, 53296240, 63955488, 79944360, 106592480, 159888720, 319777440]

約数ペア:

[(1, 319777440), (2, 159888720), (3, 106592480), (4, 79944360), (5, 63955488), (6, 53296240), (8, 39972180), (10, 31977744), (12, 26648120), (15, 21318496), (16, 19986090), (20, 15988872), (24, 13324060), (30, 10659248), (32, 9993045), (40, 7994436), (48, 6662030), (60, 5329624), (80, 3997218), (96, 3331015), (120, 2664812), (160, 1998609), (240, 1332406), (480, 666203)]