780890640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{3253711}}^1$

素因数の和:3253727

約数の個数: 40

約数和(自身を含む): 2420761728

約数和(自身を除く): 1639871088

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 3253711, 6507422, 9761133, 13014844, 16268555, 19522266, 26029688, 32537110, 39044532, 48805665, 52059376, 65074220, 78089064, 97611330, 130148440, 156178128, 195222660, 260296880, 390445320, 780890640]

約数ペア:

[(1, 780890640), (2, 390445320), (3, 260296880), (4, 195222660), (5, 156178128), (6, 130148440), (8, 97611330), (10, 78089064), (12, 65074220), (15, 52059376), (16, 48805665), (20, 39044532), (24, 32537110), (30, 26029688), (40, 19522266), (48, 16268555), (60, 13014844), (80, 9761133), (120, 6507422), (240, 3253711)]