80198100

素因数分解:

$2^2\times 3^4\times 5^2\times {\mathrm{9901}}^1$

素因数の和:9927

約数の個数: 90

約数和(自身を含む): 259996814

約数和(自身を除く): 179798714

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 81, 90, 100, 108, 135, 150, 162, 180, 225, 270, 300, 324, 405, 450, 540, 675, 810, 900, 1350, 1620, 2025, 2700, 4050, 8100, 9901, 19802, 29703, 39604, 49505, 59406, 89109, 99010, 118812, 148515, 178218, 198020, 247525, 267327, 297030, 356436, 445545, 495050, 534654, 594060, 742575, 801981, 891090, 990100, 1069308, 1336635, 1485150, 1603962, 1782180, 2227725, 2673270, 2970300, 3207924, 4009905, 4455450, 5346540, 6683175, 8019810, 8910900, 13366350, 16039620, 20049525, 26732700, 40099050, 80198100]

約数ペア:

[(1, 80198100), (2, 40099050), (3, 26732700), (4, 20049525), (5, 16039620), (6, 13366350), (9, 8910900), (10, 8019810), (12, 6683175), (15, 5346540), (18, 4455450), (20, 4009905), (25, 3207924), (27, 2970300), (30, 2673270), (36, 2227725), (45, 1782180), (50, 1603962), (54, 1485150), (60, 1336635), (75, 1069308), (81, 990100), (90, 891090), (100, 801981), (108, 742575), (135, 594060), (150, 534654), (162, 495050), (180, 445545), (225, 356436), (270, 297030), (300, 267327), (324, 247525), (405, 198020), (450, 178218), (540, 148515), (675, 118812), (810, 99010), (900, 89109), (1350, 59406), (1620, 49505), (2025, 39604), (2700, 29703), (4050, 19802), (8100, 9901)]