210860520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{7951}}^1$

素因数の和:7995

約数の個数: 128

約数和(自身を含む): 721405440

約数和(自身を除く): 510544920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 17, 20, 24, 26, 30, 34, 39, 40, 51, 52, 60, 65, 68, 78, 85, 102, 104, 120, 130, 136, 156, 170, 195, 204, 221, 255, 260, 312, 340, 390, 408, 442, 510, 520, 663, 680, 780, 884, 1020, 1105, 1326, 1560, 1768, 2040, 2210, 2652, 3315, 4420, 5304, 6630, 7951, 8840, 13260, 15902, 23853, 26520, 31804, 39755, 47706, 63608, 79510, 95412, 103363, 119265, 135167, 159020, 190824, 206726, 238530, 270334, 310089, 318040, 405501, 413452, 477060, 516815, 540668, 620178, 675835, 811002, 826904, 954120, 1033630, 1081336, 1240356, 1351670, 1550445, 1622004, 1757171, 2027505, 2067260, 2480712, 2703340, 3100890, 3244008, 3514342, 4055010, 4134520, 5271513, 5406680, 6201780, 7028684, 8110020, 8785855, 10543026, 12403560, 14057368, 16220040, 17571710, 21086052, 26357565, 35143420, 42172104, 52715130, 70286840, 105430260, 210860520]

約数ペア:

[(1, 210860520), (2, 105430260), (3, 70286840), (4, 52715130), (5, 42172104), (6, 35143420), (8, 26357565), (10, 21086052), (12, 17571710), (13, 16220040), (15, 14057368), (17, 12403560), (20, 10543026), (24, 8785855), (26, 8110020), (30, 7028684), (34, 6201780), (39, 5406680), (40, 5271513), (51, 4134520), (52, 4055010), (60, 3514342), (65, 3244008), (68, 3100890), (78, 2703340), (85, 2480712), (102, 2067260), (104, 2027505), (120, 1757171), (130, 1622004), (136, 1550445), (156, 1351670), (170, 1240356), (195, 1081336), (204, 1033630), (221, 954120), (255, 826904), (260, 811002), (312, 675835), (340, 620178), (390, 540668), (408, 516815), (442, 477060), (510, 413452), (520, 405501), (663, 318040), (680, 310089), (780, 270334), (884, 238530), (1020, 206726), (1105, 190824), (1326, 159020), (1560, 135167), (1768, 119265), (2040, 103363), (2210, 95412), (2652, 79510), (3315, 63608), (4420, 47706), (5304, 39755), (6630, 31804), (7951, 26520), (8840, 23853), (13260, 15902)]