1276560

素因数分解:

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

素因数の和:222

約数の個数: 100

約数和(自身を含む): 4456188

約数和(自身を除く): 3179628

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 197, 216, 240, 270, 324, 360, 394, 405, 432, 540, 591, 648, 720, 788, 810, 985, 1080, 1182, 1296, 1576, 1620, 1773, 1970, 2160, 2364, 2955, 3152, 3240, 3546, 3940, 4728, 5319, 5910, 6480, 7092, 7880, 8865, 9456, 10638, 11820, 14184, 15760, 15957, 17730, 21276, 23640, 26595, 28368, 31914, 35460, 42552, 47280, 53190, 63828, 70920, 79785, 85104, 106380, 127656, 141840, 159570, 212760, 255312, 319140, 425520, 638280, 1276560]

約数ペア:

[(1, 1276560), (2, 638280), (3, 425520), (4, 319140), (5, 255312), (6, 212760), (8, 159570), (9, 141840), (10, 127656), (12, 106380), (15, 85104), (16, 79785), (18, 70920), (20, 63828), (24, 53190), (27, 47280), (30, 42552), (36, 35460), (40, 31914), (45, 28368), (48, 26595), (54, 23640), (60, 21276), (72, 17730), (80, 15957), (81, 15760), (90, 14184), (108, 11820), (120, 10638), (135, 9456), (144, 8865), (162, 7880), (180, 7092), (197, 6480), (216, 5910), (240, 5319), (270, 4728), (324, 3940), (360, 3546), (394, 3240), (405, 3152), (432, 2955), (540, 2364), (591, 2160), (648, 1970), (720, 1773), (788, 1620), (810, 1576), (985, 1296), (1080, 1182)]