31019220

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:175

約数の個数: 192

約数和(自身を含む): 106444800

約数和(自身を除く): 75425580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 27, 30, 31, 34, 36, 45, 51, 54, 60, 62, 68, 85, 90, 93, 102, 108, 109, 124, 135, 153, 155, 170, 180, 186, 204, 218, 255, 270, 279, 306, 310, 327, 340, 372, 436, 459, 465, 510, 527, 540, 545, 558, 612, 620, 654, 765, 837, 918, 930, 981, 1020, 1054, 1090, 1116, 1308, 1395, 1530, 1581, 1635, 1674, 1836, 1853, 1860, 1962, 2108, 2180, 2295, 2635, 2790, 2943, 3060, 3162, 3270, 3348, 3379, 3706, 3924, 4185, 4590, 4743, 4905, 5270, 5559, 5580, 5886, 6324, 6540, 6758, 7412, 7905, 8370, 9180, 9265, 9486, 9810, 10137, 10540, 11118, 11772, 13516, 14229, 14715, 15810, 16677, 16740, 16895, 18530, 18972, 19620, 20274, 22236, 23715, 27795, 28458, 29430, 30411, 31620, 33354, 33790, 37060, 40548, 47430, 50031, 50685, 55590, 56916, 57443, 58860, 60822, 66708, 67580, 71145, 83385, 91233, 94860, 100062, 101370, 111180, 114886, 121644, 142290, 152055, 166770, 172329, 182466, 200124, 202740, 229772, 250155, 284580, 287215, 304110, 333540, 344658, 364932, 456165, 500310, 516987, 574430, 608220, 689316, 861645, 912330, 1000620, 1033974, 1148860, 1550961, 1723290, 1824660, 2067948, 2584935, 3101922, 3446580, 5169870, 6203844, 7754805, 10339740, 15509610, 31019220]

約数ペア:

[(1, 31019220), (2, 15509610), (3, 10339740), (4, 7754805), (5, 6203844), (6, 5169870), (9, 3446580), (10, 3101922), (12, 2584935), (15, 2067948), (17, 1824660), (18, 1723290), (20, 1550961), (27, 1148860), (30, 1033974), (31, 1000620), (34, 912330), (36, 861645), (45, 689316), (51, 608220), (54, 574430), (60, 516987), (62, 500310), (68, 456165), (85, 364932), (90, 344658), (93, 333540), (102, 304110), (108, 287215), (109, 284580), (124, 250155), (135, 229772), (153, 202740), (155, 200124), (170, 182466), (180, 172329), (186, 166770), (204, 152055), (218, 142290), (255, 121644), (270, 114886), (279, 111180), (306, 101370), (310, 100062), (327, 94860), (340, 91233), (372, 83385), (436, 71145), (459, 67580), (465, 66708), (510, 60822), (527, 58860), (540, 57443), (545, 56916), (558, 55590), (612, 50685), (620, 50031), (654, 47430), (765, 40548), (837, 37060), (918, 33790), (930, 33354), (981, 31620), (1020, 30411), (1054, 29430), (1090, 28458), (1116, 27795), (1308, 23715), (1395, 22236), (1530, 20274), (1581, 19620), (1635, 18972), (1674, 18530), (1836, 16895), (1853, 16740), (1860, 16677), (1962, 15810), (2108, 14715), (2180, 14229), (2295, 13516), (2635, 11772), (2790, 11118), (2943, 10540), (3060, 10137), (3162, 9810), (3270, 9486), (3348, 9265), (3379, 9180), (3706, 8370), (3924, 7905), (4185, 7412), (4590, 6758), (4743, 6540), (4905, 6324), (5270, 5886), (5559, 5580)]