80740080

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{112139}}^1$

素因数の和:112158

約数の個数: 60

約数和(自身を含む): 271154520

約数和(自身を除く): 190414440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 112139, 224278, 336417, 448556, 560695, 672834, 897112, 1009251, 1121390, 1345668, 1682085, 1794224, 2018502, 2242780, 2691336, 3364170, 4037004, 4485560, 5046255, 5382672, 6728340, 8074008, 8971120, 10092510, 13456680, 16148016, 20185020, 26913360, 40370040, 80740080]

約数ペア:

[(1, 80740080), (2, 40370040), (3, 26913360), (4, 20185020), (5, 16148016), (6, 13456680), (8, 10092510), (9, 8971120), (10, 8074008), (12, 6728340), (15, 5382672), (16, 5046255), (18, 4485560), (20, 4037004), (24, 3364170), (30, 2691336), (36, 2242780), (40, 2018502), (45, 1794224), (48, 1682085), (60, 1345668), (72, 1121390), (80, 1009251), (90, 897112), (120, 672834), (144, 560695), (180, 448556), (240, 336417), (360, 224278), (720, 112139)]