129561840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{179947}}^1$

素因数の和:179966

約数の個数: 60

約数和(自身を含む): 435114264

約数和(自身を除く): 305552424

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 179947, 359894, 539841, 719788, 899735, 1079682, 1439576, 1619523, 1799470, 2159364, 2699205, 2879152, 3239046, 3598940, 4318728, 5398410, 6478092, 7197880, 8097615, 8637456, 10796820, 12956184, 14395760, 16195230, 21593640, 25912368, 32390460, 43187280, 64780920, 129561840]

約数ペア:

[(1, 129561840), (2, 64780920), (3, 43187280), (4, 32390460), (5, 25912368), (6, 21593640), (8, 16195230), (9, 14395760), (10, 12956184), (12, 10796820), (15, 8637456), (16, 8097615), (18, 7197880), (20, 6478092), (24, 5398410), (30, 4318728), (36, 3598940), (40, 3239046), (45, 2879152), (48, 2699205), (60, 2159364), (72, 1799470), (80, 1619523), (90, 1439576), (120, 1079682), (144, 899735), (180, 719788), (240, 539841), (360, 359894), (720, 179947)]