1280197680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{5334157}}^1$

素因数の和:5334173

約数の個数: 40

約数和(自身を含む): 3968613552

約数和(自身を除く): 2688415872

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 5334157, 10668314, 16002471, 21336628, 26670785, 32004942, 42673256, 53341570, 64009884, 80012355, 85346512, 106683140, 128019768, 160024710, 213366280, 256039536, 320049420, 426732560, 640098840, 1280197680]

約数ペア:

[(1, 1280197680), (2, 640098840), (3, 426732560), (4, 320049420), (5, 256039536), (6, 213366280), (8, 160024710), (10, 128019768), (12, 106683140), (15, 85346512), (16, 80012355), (20, 64009884), (24, 53341570), (30, 42673256), (40, 32004942), (48, 26670785), (60, 21336628), (80, 16002471), (120, 10668314), (240, 5334157)]