39947880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2503}}^1$

素因数の和:2543

約数の個数: 128

約数和(自身を含む): 144230400

約数和(自身を除く): 104282520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 56, 57, 60, 70, 76, 84, 95, 105, 114, 120, 133, 140, 152, 168, 190, 210, 228, 266, 280, 285, 380, 399, 420, 456, 532, 570, 665, 760, 798, 840, 1064, 1140, 1330, 1596, 1995, 2280, 2503, 2660, 3192, 3990, 5006, 5320, 7509, 7980, 10012, 12515, 15018, 15960, 17521, 20024, 25030, 30036, 35042, 37545, 47557, 50060, 52563, 60072, 70084, 75090, 87605, 95114, 100120, 105126, 140168, 142671, 150180, 175210, 190228, 210252, 237785, 262815, 285342, 300360, 332899, 350420, 380456, 420504, 475570, 525630, 570684, 665798, 700840, 713355, 951140, 998697, 1051260, 1141368, 1331596, 1426710, 1664495, 1902280, 1997394, 2102520, 2663192, 2853420, 3328990, 3994788, 4993485, 5706840, 6657980, 7989576, 9986970, 13315960, 19973940, 39947880]

約数ペア:

[(1, 39947880), (2, 19973940), (3, 13315960), (4, 9986970), (5, 7989576), (6, 6657980), (7, 5706840), (8, 4993485), (10, 3994788), (12, 3328990), (14, 2853420), (15, 2663192), (19, 2102520), (20, 1997394), (21, 1902280), (24, 1664495), (28, 1426710), (30, 1331596), (35, 1141368), (38, 1051260), (40, 998697), (42, 951140), (56, 713355), (57, 700840), (60, 665798), (70, 570684), (76, 525630), (84, 475570), (95, 420504), (105, 380456), (114, 350420), (120, 332899), (133, 300360), (140, 285342), (152, 262815), (168, 237785), (190, 210252), (210, 190228), (228, 175210), (266, 150180), (280, 142671), (285, 140168), (380, 105126), (399, 100120), (420, 95114), (456, 87605), (532, 75090), (570, 70084), (665, 60072), (760, 52563), (798, 50060), (840, 47557), (1064, 37545), (1140, 35042), (1330, 30036), (1596, 25030), (1995, 20024), (2280, 17521), (2503, 15960), (2660, 15018), (3192, 12515), (3990, 10012), (5006, 7980), (5320, 7509)]