3999780

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{823}}^1$

素因数の和:847

約数の個数: 72

約数和(自身を含む): 12597312

約数和(自身を除く): 8597532

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 810, 823, 972, 1215, 1620, 1646, 2430, 2469, 3292, 4115, 4860, 4938, 7407, 8230, 9876, 12345, 14814, 16460, 22221, 24690, 29628, 37035, 44442, 49380, 66663, 74070, 88884, 111105, 133326, 148140, 199989, 222210, 266652, 333315, 399978, 444420, 666630, 799956, 999945, 1333260, 1999890, 3999780]

約数ペア:

[(1, 3999780), (2, 1999890), (3, 1333260), (4, 999945), (5, 799956), (6, 666630), (9, 444420), (10, 399978), (12, 333315), (15, 266652), (18, 222210), (20, 199989), (27, 148140), (30, 133326), (36, 111105), (45, 88884), (54, 74070), (60, 66663), (81, 49380), (90, 44442), (108, 37035), (135, 29628), (162, 24690), (180, 22221), (243, 16460), (270, 14814), (324, 12345), (405, 9876), (486, 8230), (540, 7407), (810, 4938), (823, 4860), (972, 4115), (1215, 3292), (1620, 2469), (1646, 2430)]