78357420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{883}}^1$

素因数の和:944

約数の個数: 144

約数和(自身を含む): 260638560

約数和(自身を除く): 182281140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 29, 30, 34, 36, 45, 51, 58, 60, 68, 85, 87, 90, 102, 116, 145, 153, 170, 174, 180, 204, 255, 261, 290, 306, 340, 348, 435, 493, 510, 522, 580, 612, 765, 870, 883, 986, 1020, 1044, 1305, 1479, 1530, 1740, 1766, 1972, 2465, 2610, 2649, 2958, 3060, 3532, 4415, 4437, 4930, 5220, 5298, 5916, 7395, 7947, 8830, 8874, 9860, 10596, 13245, 14790, 15011, 15894, 17660, 17748, 22185, 25607, 26490, 29580, 30022, 31788, 39735, 44370, 45033, 51214, 52980, 60044, 75055, 76821, 79470, 88740, 90066, 102428, 128035, 135099, 150110, 153642, 158940, 180132, 225165, 230463, 256070, 270198, 300220, 307284, 384105, 435319, 450330, 460926, 512140, 540396, 675495, 768210, 870638, 900660, 921852, 1152315, 1305957, 1350990, 1536420, 1741276, 2176595, 2304630, 2611914, 2701980, 3917871, 4353190, 4609260, 5223828, 6529785, 7835742, 8706380, 13059570, 15671484, 19589355, 26119140, 39178710, 78357420]

約数ペア:

[(1, 78357420), (2, 39178710), (3, 26119140), (4, 19589355), (5, 15671484), (6, 13059570), (9, 8706380), (10, 7835742), (12, 6529785), (15, 5223828), (17, 4609260), (18, 4353190), (20, 3917871), (29, 2701980), (30, 2611914), (34, 2304630), (36, 2176595), (45, 1741276), (51, 1536420), (58, 1350990), (60, 1305957), (68, 1152315), (85, 921852), (87, 900660), (90, 870638), (102, 768210), (116, 675495), (145, 540396), (153, 512140), (170, 460926), (174, 450330), (180, 435319), (204, 384105), (255, 307284), (261, 300220), (290, 270198), (306, 256070), (340, 230463), (348, 225165), (435, 180132), (493, 158940), (510, 153642), (522, 150110), (580, 135099), (612, 128035), (765, 102428), (870, 90066), (883, 88740), (986, 79470), (1020, 76821), (1044, 75055), (1305, 60044), (1479, 52980), (1530, 51214), (1740, 45033), (1766, 44370), (1972, 39735), (2465, 31788), (2610, 30022), (2649, 29580), (2958, 26490), (3060, 25607), (3532, 22185), (4415, 17748), (4437, 17660), (4930, 15894), (5220, 15011), (5298, 14790), (5916, 13245), (7395, 10596), (7947, 9860), (8830, 8874)]