138740040

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{42821}}^1$

素因数の和:42844

約数の個数: 80

約数和(自身を含む): 466331580

約数和(自身を除く): 327591540

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 42821, 85642, 128463, 171284, 214105, 256926, 342568, 385389, 428210, 513852, 642315, 770778, 856420, 1027704, 1156167, 1284630, 1541556, 1712840, 1926945, 2312334, 2569260, 3083112, 3468501, 3853890, 4624668, 5138520, 5780835, 6937002, 7707780, 9249336, 11561670, 13874004, 15415560, 17342505, 23123340, 27748008, 34685010, 46246680, 69370020, 138740040]

約数ペア:

[(1, 138740040), (2, 69370020), (3, 46246680), (4, 34685010), (5, 27748008), (6, 23123340), (8, 17342505), (9, 15415560), (10, 13874004), (12, 11561670), (15, 9249336), (18, 7707780), (20, 6937002), (24, 5780835), (27, 5138520), (30, 4624668), (36, 3853890), (40, 3468501), (45, 3083112), (54, 2569260), (60, 2312334), (72, 1926945), (81, 1712840), (90, 1541556), (108, 1284630), (120, 1156167), (135, 1027704), (162, 856420), (180, 770778), (216, 642315), (270, 513852), (324, 428210), (360, 385389), (405, 342568), (540, 256926), (648, 214105), (810, 171284), (1080, 128463), (1620, 85642), (3240, 42821)]