445380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{571}}^1$

素因数の和:596

約数の個数: 48

約数和(自身を含む): 1345344

約数和(自身を除く): 899964

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 571, 780, 1142, 1713, 2284, 2855, 3426, 5710, 6852, 7423, 8565, 11420, 14846, 17130, 22269, 29692, 34260, 37115, 44538, 74230, 89076, 111345, 148460, 222690, 445380]

約数ペア:

[(1, 445380), (2, 222690), (3, 148460), (4, 111345), (5, 89076), (6, 74230), (10, 44538), (12, 37115), (13, 34260), (15, 29692), (20, 22269), (26, 17130), (30, 14846), (39, 11420), (52, 8565), (60, 7423), (65, 6852), (78, 5710), (130, 3426), (156, 2855), (195, 2284), (260, 1713), (390, 1142), (571, 780)]