217778040

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{604939}}^1$

素因数の和:604956

約数の個数: 48

約数和(自身を含む): 707779800

約数和(自身を除く): 490001760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 604939, 1209878, 1814817, 2419756, 3024695, 3629634, 4839512, 5444451, 6049390, 7259268, 9074085, 10888902, 12098780, 14518536, 18148170, 21777804, 24197560, 27222255, 36296340, 43555608, 54444510, 72592680, 108889020, 217778040]

約数ペア:

[(1, 217778040), (2, 108889020), (3, 72592680), (4, 54444510), (5, 43555608), (6, 36296340), (8, 27222255), (9, 24197560), (10, 21777804), (12, 18148170), (15, 14518536), (18, 12098780), (20, 10888902), (24, 9074085), (30, 7259268), (36, 6049390), (40, 5444451), (45, 4839512), (60, 3629634), (72, 3024695), (90, 2419756), (120, 1814817), (180, 1209878), (360, 604939)]