204938760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131371}}^1$

素因数の和:131398

約数の個数: 64

約数和(自身を含む): 662114880

約数和(自身を除く): 457176120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 131371, 262742, 394113, 525484, 656855, 788226, 1050968, 1313710, 1576452, 1707823, 1970565, 2627420, 3152904, 3415646, 3941130, 5123469, 5254840, 6831292, 7882260, 8539115, 10246938, 13662584, 15764520, 17078230, 20493876, 25617345, 34156460, 40987752, 51234690, 68312920, 102469380, 204938760]

約数ペア:

[(1, 204938760), (2, 102469380), (3, 68312920), (4, 51234690), (5, 40987752), (6, 34156460), (8, 25617345), (10, 20493876), (12, 17078230), (13, 15764520), (15, 13662584), (20, 10246938), (24, 8539115), (26, 7882260), (30, 6831292), (39, 5254840), (40, 5123469), (52, 3941130), (60, 3415646), (65, 3152904), (78, 2627420), (104, 1970565), (120, 1707823), (130, 1576452), (156, 1313710), (195, 1050968), (260, 788226), (312, 656855), (390, 525484), (520, 394113), (780, 262742), (1560, 131371)]