81901350

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{4919}}^1$

素因数の和:4974

約数の個数: 72

約数和(自身を含む): 226034640

約数和(自身を除く): 144133290

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 37, 45, 50, 74, 75, 90, 111, 150, 185, 222, 225, 333, 370, 450, 555, 666, 925, 1110, 1665, 1850, 2775, 3330, 4919, 5550, 8325, 9838, 14757, 16650, 24595, 29514, 44271, 49190, 73785, 88542, 122975, 147570, 182003, 221355, 245950, 364006, 368925, 442710, 546009, 737850, 910015, 1092018, 1106775, 1638027, 1820030, 2213550, 2730045, 3276054, 4550075, 5460090, 8190135, 9100150, 13650225, 16380270, 27300450, 40950675, 81901350]

約数ペア:

[(1, 81901350), (2, 40950675), (3, 27300450), (5, 16380270), (6, 13650225), (9, 9100150), (10, 8190135), (15, 5460090), (18, 4550075), (25, 3276054), (30, 2730045), (37, 2213550), (45, 1820030), (50, 1638027), (74, 1106775), (75, 1092018), (90, 910015), (111, 737850), (150, 546009), (185, 442710), (222, 368925), (225, 364006), (333, 245950), (370, 221355), (450, 182003), (555, 147570), (666, 122975), (925, 88542), (1110, 73785), (1665, 49190), (1850, 44271), (2775, 29514), (3330, 24595), (4919, 16650), (5550, 14757), (8325, 9838)]