855095580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{279443}}^1$

素因数の和:279475

約数の個数: 72

約数和(自身を含む): 2746375632

約数和(自身を除く): 1891280052

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 510, 612, 765, 1020, 1530, 3060, 279443, 558886, 838329, 1117772, 1397215, 1676658, 2514987, 2794430, 3353316, 4191645, 4750531, 5029974, 5588860, 8383290, 9501062, 10059948, 12574935, 14251593, 16766580, 19002124, 23752655, 25149870, 28503186, 42754779, 47505310, 50299740, 57006372, 71257965, 85509558, 95010620, 142515930, 171019116, 213773895, 285031860, 427547790, 855095580]

約数ペア:

[(1, 855095580), (2, 427547790), (3, 285031860), (4, 213773895), (5, 171019116), (6, 142515930), (9, 95010620), (10, 85509558), (12, 71257965), (15, 57006372), (17, 50299740), (18, 47505310), (20, 42754779), (30, 28503186), (34, 25149870), (36, 23752655), (45, 19002124), (51, 16766580), (60, 14251593), (68, 12574935), (85, 10059948), (90, 9501062), (102, 8383290), (153, 5588860), (170, 5029974), (180, 4750531), (204, 4191645), (255, 3353316), (306, 2794430), (340, 2514987), (510, 1676658), (612, 1397215), (765, 1117772), (1020, 838329), (1530, 558886), (3060, 279443)]