19681470960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2645359}}^1$

素因数の和:2645406

約数の個数: 80

約数和(自身を含む): 62980730880

約数和(自身を除く): 43299259920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 1240, 1488, 1860, 2480, 3720, 7440, 2645359, 5290718, 7936077, 10581436, 13226795, 15872154, 21162872, 26453590, 31744308, 39680385, 42325744, 52907180, 63488616, 79360770, 82006129, 105814360, 126977232, 158721540, 164012258, 211628720, 246018387, 317443080, 328024516, 410030645, 492036774, 634886160, 656049032, 820061290, 984073548, 1230091935, 1312098064, 1640122580, 1968147096, 2460183870, 3280245160, 3936294192, 4920367740, 6560490320, 9840735480, 19681470960]

約数ペア:

[(1, 19681470960), (2, 9840735480), (3, 6560490320), (4, 4920367740), (5, 3936294192), (6, 3280245160), (8, 2460183870), (10, 1968147096), (12, 1640122580), (15, 1312098064), (16, 1230091935), (20, 984073548), (24, 820061290), (30, 656049032), (31, 634886160), (40, 492036774), (48, 410030645), (60, 328024516), (62, 317443080), (80, 246018387), (93, 211628720), (120, 164012258), (124, 158721540), (155, 126977232), (186, 105814360), (240, 82006129), (248, 79360770), (310, 63488616), (372, 52907180), (465, 42325744), (496, 39680385), (620, 31744308), (744, 26453590), (930, 21162872), (1240, 15872154), (1488, 13226795), (1860, 10581436), (2480, 7936077), (3720, 5290718), (7440, 2645359)]