900000072

素因数分解:

$2^3\times 3^6\times {\mathrm{154321}}^1$

素因数の和:154345

約数の個数: 56

約数和(自身を含む): 2530109190

約数和(自身を除く): 1630109118

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 243, 324, 486, 648, 729, 972, 1458, 1944, 2916, 5832, 154321, 308642, 462963, 617284, 925926, 1234568, 1388889, 1851852, 2777778, 3703704, 4166667, 5555556, 8333334, 11111112, 12500001, 16666668, 25000002, 33333336, 37500003, 50000004, 75000006, 100000008, 112500009, 150000012, 225000018, 300000024, 450000036, 900000072]

約数ペア:

[(1, 900000072), (2, 450000036), (3, 300000024), (4, 225000018), (6, 150000012), (8, 112500009), (9, 100000008), (12, 75000006), (18, 50000004), (24, 37500003), (27, 33333336), (36, 25000002), (54, 16666668), (72, 12500001), (81, 11111112), (108, 8333334), (162, 5555556), (216, 4166667), (243, 3703704), (324, 2777778), (486, 1851852), (648, 1388889), (729, 1234568), (972, 925926), (1458, 617284), (1944, 462963), (2916, 308642), (5832, 154321)]