1308406785

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{223}}^1$

素因数の和:447

約数の個数: 128

約数和(自身を含む): 2694021120

約数和(自身を除く): 1385614335

約数列:

[1, 3, 5, 7, 15, 17, 19, 21, 35, 51, 57, 85, 95, 105, 119, 133, 173, 223, 255, 285, 323, 357, 399, 519, 595, 665, 669, 865, 969, 1115, 1211, 1561, 1615, 1785, 1995, 2261, 2595, 2941, 3287, 3345, 3633, 3791, 4237, 4683, 4845, 6055, 6783, 7805, 8823, 9861, 11305, 11373, 12711, 14705, 16435, 18165, 18955, 20587, 21185, 23009, 23415, 26537, 29659, 33915, 38579, 44115, 49305, 55879, 56865, 61761, 63555, 69027, 72029, 79611, 88977, 102935, 115045, 115737, 132685, 148295, 167637, 192895, 216087, 270053, 279395, 308805, 345135, 360145, 391153, 398055, 444885, 504203, 578685, 655843, 733001, 810159, 838185, 1080435, 1173459, 1350265, 1512609, 1955765, 1967529, 2199003, 2521015, 3279215, 3665005, 4050795, 4590901, 5131007, 5867295, 7563045, 9837645, 10995015, 12461017, 13772703, 15393021, 22954505, 25655035, 37383051, 62305085, 68863515, 76965105, 87227119, 186915255, 261681357, 436135595, 1308406785]

約数ペア:

[(1, 1308406785), (3, 436135595), (5, 261681357), (7, 186915255), (15, 87227119), (17, 76965105), (19, 68863515), (21, 62305085), (35, 37383051), (51, 25655035), (57, 22954505), (85, 15393021), (95, 13772703), (105, 12461017), (119, 10995015), (133, 9837645), (173, 7563045), (223, 5867295), (255, 5131007), (285, 4590901), (323, 4050795), (357, 3665005), (399, 3279215), (519, 2521015), (595, 2199003), (665, 1967529), (669, 1955765), (865, 1512609), (969, 1350265), (1115, 1173459), (1211, 1080435), (1561, 838185), (1615, 810159), (1785, 733001), (1995, 655843), (2261, 578685), (2595, 504203), (2941, 444885), (3287, 398055), (3345, 391153), (3633, 360145), (3791, 345135), (4237, 308805), (4683, 279395), (4845, 270053), (6055, 216087), (6783, 192895), (7805, 167637), (8823, 148295), (9861, 132685), (11305, 115737), (11373, 115045), (12711, 102935), (14705, 88977), (16435, 79611), (18165, 72029), (18955, 69027), (20587, 63555), (21185, 61761), (23009, 56865), (23415, 55879), (26537, 49305), (29659, 44115), (33915, 38579)]