255950280

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{197}}^1\times {\mathrm{401}}^1$

素因数の和:621

約数の個数: 160

約数和(自身を含む): 866800440

約数和(自身を除く): 610850160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 197, 216, 270, 324, 360, 394, 401, 405, 540, 591, 648, 788, 802, 810, 985, 1080, 1182, 1203, 1576, 1604, 1620, 1773, 1970, 2005, 2364, 2406, 2955, 3208, 3240, 3546, 3609, 3940, 4010, 4728, 4812, 5319, 5910, 6015, 7092, 7218, 7880, 8020, 8865, 9624, 10638, 10827, 11820, 12030, 14184, 14436, 15957, 16040, 17730, 18045, 21276, 21654, 23640, 24060, 26595, 28872, 31914, 32481, 35460, 36090, 42552, 43308, 48120, 53190, 54135, 63828, 64962, 70920, 72180, 78997, 79785, 86616, 106380, 108270, 127656, 129924, 144360, 157994, 159570, 162405, 212760, 216540, 236991, 259848, 315988, 319140, 324810, 394985, 433080, 473982, 631976, 638280, 649620, 710973, 789970, 947964, 1184955, 1299240, 1421946, 1579940, 1895928, 2132919, 2369910, 2843892, 3159880, 3554865, 4265838, 4739820, 5687784, 6398757, 7109730, 8531676, 9479640, 10664595, 12797514, 14219460, 17063352, 21329190, 25595028, 28438920, 31993785, 42658380, 51190056, 63987570, 85316760, 127975140, 255950280]

約数ペア:

[(1, 255950280), (2, 127975140), (3, 85316760), (4, 63987570), (5, 51190056), (6, 42658380), (8, 31993785), (9, 28438920), (10, 25595028), (12, 21329190), (15, 17063352), (18, 14219460), (20, 12797514), (24, 10664595), (27, 9479640), (30, 8531676), (36, 7109730), (40, 6398757), (45, 5687784), (54, 4739820), (60, 4265838), (72, 3554865), (81, 3159880), (90, 2843892), (108, 2369910), (120, 2132919), (135, 1895928), (162, 1579940), (180, 1421946), (197, 1299240), (216, 1184955), (270, 947964), (324, 789970), (360, 710973), (394, 649620), (401, 638280), (405, 631976), (540, 473982), (591, 433080), (648, 394985), (788, 324810), (802, 319140), (810, 315988), (985, 259848), (1080, 236991), (1182, 216540), (1203, 212760), (1576, 162405), (1604, 159570), (1620, 157994), (1773, 144360), (1970, 129924), (2005, 127656), (2364, 108270), (2406, 106380), (2955, 86616), (3208, 79785), (3240, 78997), (3546, 72180), (3609, 70920), (3940, 64962), (4010, 63828), (4728, 54135), (4812, 53190), (5319, 48120), (5910, 43308), (6015, 42552), (7092, 36090), (7218, 35460), (7880, 32481), (8020, 31914), (8865, 28872), (9624, 26595), (10638, 24060), (10827, 23640), (11820, 21654), (12030, 21276), (14184, 18045), (14436, 17730), (15957, 16040)]