21648720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{90203}}^1$

素因数の和:90219

約数の個数: 40

約数和(自身を含む): 67111776

約数和(自身を除く): 45463056

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 90203, 180406, 270609, 360812, 451015, 541218, 721624, 902030, 1082436, 1353045, 1443248, 1804060, 2164872, 2706090, 3608120, 4329744, 5412180, 7216240, 10824360, 21648720]

約数ペア:

[(1, 21648720), (2, 10824360), (3, 7216240), (4, 5412180), (5, 4329744), (6, 3608120), (8, 2706090), (10, 2164872), (12, 1804060), (15, 1443248), (16, 1353045), (20, 1082436), (24, 902030), (30, 721624), (40, 541218), (48, 451015), (60, 360812), (80, 270609), (120, 180406), (240, 90203)]