2658278340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{208003}}^1$

素因数の和:208089

約数の個数: 72

約数和(自身を含む): 8177053248

約数和(自身を除く): 5518774908

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 710, 852, 1065, 1278, 1420, 2130, 2556, 3195, 4260, 6390, 12780, 208003, 416006, 624009, 832012, 1040015, 1248018, 1872027, 2080030, 2496036, 3120045, 3744054, 4160060, 6240090, 7488108, 9360135, 12480180, 14768213, 18720270, 29536426, 37440540, 44304639, 59072852, 73841065, 88609278, 132913917, 147682130, 177218556, 221523195, 265827834, 295364260, 443046390, 531655668, 664569585, 886092780, 1329139170, 2658278340]

約数ペア:

[(1, 2658278340), (2, 1329139170), (3, 886092780), (4, 664569585), (5, 531655668), (6, 443046390), (9, 295364260), (10, 265827834), (12, 221523195), (15, 177218556), (18, 147682130), (20, 132913917), (30, 88609278), (36, 73841065), (45, 59072852), (60, 44304639), (71, 37440540), (90, 29536426), (142, 18720270), (180, 14768213), (213, 12480180), (284, 9360135), (355, 7488108), (426, 6240090), (639, 4160060), (710, 3744054), (852, 3120045), (1065, 2496036), (1278, 2080030), (1420, 1872027), (2130, 1248018), (2556, 1040015), (3195, 832012), (4260, 624009), (6390, 416006), (12780, 208003)]