78725760

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{313}}^1$

素因数の和:466

約数の個数: 128

約数和(自身を含む): 253661760

約数和(自身を除く): 174936000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 131, 160, 192, 240, 262, 313, 320, 384, 393, 480, 524, 626, 640, 655, 786, 939, 960, 1048, 1252, 1310, 1565, 1572, 1878, 1920, 1965, 2096, 2504, 2620, 3130, 3144, 3756, 3930, 4192, 4695, 5008, 5240, 6260, 6288, 7512, 7860, 8384, 9390, 10016, 10480, 12520, 12576, 15024, 15720, 16768, 18780, 20032, 20960, 25040, 25152, 30048, 31440, 37560, 40064, 41003, 41920, 50080, 50304, 60096, 62880, 75120, 82006, 83840, 100160, 120192, 123009, 125760, 150240, 164012, 200320, 205015, 246018, 251520, 300480, 328024, 410030, 492036, 600960, 615045, 656048, 820060, 984072, 1230090, 1312096, 1640120, 1968144, 2460180, 2624192, 3280240, 3936288, 4920360, 5248384, 6560480, 7872576, 9840720, 13120960, 15745152, 19681440, 26241920, 39362880, 78725760]

約数ペア:

[(1, 78725760), (2, 39362880), (3, 26241920), (4, 19681440), (5, 15745152), (6, 13120960), (8, 9840720), (10, 7872576), (12, 6560480), (15, 5248384), (16, 4920360), (20, 3936288), (24, 3280240), (30, 2624192), (32, 2460180), (40, 1968144), (48, 1640120), (60, 1312096), (64, 1230090), (80, 984072), (96, 820060), (120, 656048), (128, 615045), (131, 600960), (160, 492036), (192, 410030), (240, 328024), (262, 300480), (313, 251520), (320, 246018), (384, 205015), (393, 200320), (480, 164012), (524, 150240), (626, 125760), (640, 123009), (655, 120192), (786, 100160), (939, 83840), (960, 82006), (1048, 75120), (1252, 62880), (1310, 60096), (1565, 50304), (1572, 50080), (1878, 41920), (1920, 41003), (1965, 40064), (2096, 37560), (2504, 31440), (2620, 30048), (3130, 25152), (3144, 25040), (3756, 20960), (3930, 20032), (4192, 18780), (4695, 16768), (5008, 15720), (5240, 15024), (6260, 12576), (6288, 12520), (7512, 10480), (7860, 10016), (8384, 9390)]