81572040

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{20599}}^1$

素因数の和:20627

約数の個数: 96

約数和(自身を含む): 289224000

約数和(自身を除く): 207651960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 132, 165, 180, 198, 220, 264, 330, 360, 396, 440, 495, 660, 792, 990, 1320, 1980, 3960, 20599, 41198, 61797, 82396, 102995, 123594, 164792, 185391, 205990, 226589, 247188, 308985, 370782, 411980, 453178, 494376, 617970, 679767, 741564, 823960, 906356, 926955, 1132945, 1235940, 1359534, 1483128, 1812712, 1853910, 2039301, 2265890, 2471880, 2719068, 3398835, 3707820, 4078602, 4531780, 5438136, 6797670, 7415640, 8157204, 9063560, 10196505, 13595340, 16314408, 20393010, 27190680, 40786020, 81572040]

約数ペア:

[(1, 81572040), (2, 40786020), (3, 27190680), (4, 20393010), (5, 16314408), (6, 13595340), (8, 10196505), (9, 9063560), (10, 8157204), (11, 7415640), (12, 6797670), (15, 5438136), (18, 4531780), (20, 4078602), (22, 3707820), (24, 3398835), (30, 2719068), (33, 2471880), (36, 2265890), (40, 2039301), (44, 1853910), (45, 1812712), (55, 1483128), (60, 1359534), (66, 1235940), (72, 1132945), (88, 926955), (90, 906356), (99, 823960), (110, 741564), (120, 679767), (132, 617970), (165, 494376), (180, 453178), (198, 411980), (220, 370782), (264, 308985), (330, 247188), (360, 226589), (396, 205990), (440, 185391), (495, 164792), (660, 123594), (792, 102995), (990, 82396), (1320, 61797), (1980, 41198), (3960, 20599)]