71485680

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2503}}^1$

素因数の和:2543

約数の個数: 160

約数和(自身を含む): 268268544

約数和(自身を除く): 196782864

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 17, 20, 21, 24, 28, 30, 34, 35, 40, 42, 48, 51, 56, 60, 68, 70, 80, 84, 85, 102, 105, 112, 119, 120, 136, 140, 168, 170, 204, 210, 238, 240, 255, 272, 280, 336, 340, 357, 408, 420, 476, 510, 560, 595, 680, 714, 816, 840, 952, 1020, 1190, 1360, 1428, 1680, 1785, 1904, 2040, 2380, 2503, 2856, 3570, 4080, 4760, 5006, 5712, 7140, 7509, 9520, 10012, 12515, 14280, 15018, 17521, 20024, 25030, 28560, 30036, 35042, 37545, 40048, 42551, 50060, 52563, 60072, 70084, 75090, 85102, 87605, 100120, 105126, 120144, 127653, 140168, 150180, 170204, 175210, 200240, 210252, 212755, 255306, 262815, 280336, 297857, 300360, 340408, 350420, 420504, 425510, 510612, 525630, 595714, 600720, 638265, 680816, 700840, 841008, 851020, 893571, 1021224, 1051260, 1191428, 1276530, 1401680, 1489285, 1702040, 1787142, 2042448, 2102520, 2382856, 2553060, 2978570, 3404080, 3574284, 4205040, 4467855, 4765712, 5106120, 5957140, 7148568, 8935710, 10212240, 11914280, 14297136, 17871420, 23828560, 35742840, 71485680]

約数ペア:

[(1, 71485680), (2, 35742840), (3, 23828560), (4, 17871420), (5, 14297136), (6, 11914280), (7, 10212240), (8, 8935710), (10, 7148568), (12, 5957140), (14, 5106120), (15, 4765712), (16, 4467855), (17, 4205040), (20, 3574284), (21, 3404080), (24, 2978570), (28, 2553060), (30, 2382856), (34, 2102520), (35, 2042448), (40, 1787142), (42, 1702040), (48, 1489285), (51, 1401680), (56, 1276530), (60, 1191428), (68, 1051260), (70, 1021224), (80, 893571), (84, 851020), (85, 841008), (102, 700840), (105, 680816), (112, 638265), (119, 600720), (120, 595714), (136, 525630), (140, 510612), (168, 425510), (170, 420504), (204, 350420), (210, 340408), (238, 300360), (240, 297857), (255, 280336), (272, 262815), (280, 255306), (336, 212755), (340, 210252), (357, 200240), (408, 175210), (420, 170204), (476, 150180), (510, 140168), (560, 127653), (595, 120144), (680, 105126), (714, 100120), (816, 87605), (840, 85102), (952, 75090), (1020, 70084), (1190, 60072), (1360, 52563), (1428, 50060), (1680, 42551), (1785, 40048), (1904, 37545), (2040, 35042), (2380, 30036), (2503, 28560), (2856, 25030), (3570, 20024), (4080, 17521), (4760, 15018), (5006, 14280), (5712, 12515), (7140, 10012), (7509, 9520)]