4245540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{5443}}^1$

素因数の和:5468

約数の個数: 48

約数和(自身を含む): 12804288

約数和(自身を除く): 8558748

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, 780, 5443, 10886, 16329, 21772, 27215, 32658, 54430, 65316, 70759, 81645, 108860, 141518, 163290, 212277, 283036, 326580, 353795, 424554, 707590, 849108, 1061385, 1415180, 2122770, 4245540]

約数ペア:

[(1, 4245540), (2, 2122770), (3, 1415180), (4, 1061385), (5, 849108), (6, 707590), (10, 424554), (12, 353795), (13, 326580), (15, 283036), (20, 212277), (26, 163290), (30, 141518), (39, 108860), (52, 81645), (60, 70759), (65, 65316), (78, 54430), (130, 32658), (156, 27215), (195, 21772), (260, 16329), (390, 10886), (780, 5443)]