66916680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{557639}}^1$

素因数の和:557653

約数の個数: 32

約数和(自身を含む): 200750400

約数和(自身を除く): 133833720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 557639, 1115278, 1672917, 2230556, 2788195, 3345834, 4461112, 5576390, 6691668, 8364585, 11152780, 13383336, 16729170, 22305560, 33458340, 66916680]

約数ペア:

[(1, 66916680), (2, 33458340), (3, 22305560), (4, 16729170), (5, 13383336), (6, 11152780), (8, 8364585), (10, 6691668), (12, 5576390), (15, 4461112), (20, 3345834), (24, 2788195), (30, 2230556), (40, 1672917), (60, 1115278), (120, 557639)]