281982870

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{439}}^1$

素因数の和:532

約数の個数: 160

約数和(自身を含む): 831821760

約数和(自身を除く): 549838890

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 39, 45, 54, 61, 65, 78, 81, 90, 117, 122, 130, 135, 162, 183, 195, 234, 270, 305, 351, 366, 390, 405, 439, 549, 585, 610, 702, 793, 810, 878, 915, 1053, 1098, 1170, 1317, 1586, 1647, 1755, 1830, 2106, 2195, 2379, 2634, 2745, 3294, 3510, 3951, 3965, 4390, 4758, 4941, 5265, 5490, 5707, 6585, 7137, 7902, 7930, 8235, 9882, 10530, 11414, 11853, 11895, 13170, 14274, 16470, 17121, 19755, 21411, 23706, 23790, 24705, 26779, 28535, 34242, 35559, 35685, 39510, 42822, 49410, 51363, 53558, 57070, 59265, 64233, 71118, 71370, 80337, 85605, 102726, 107055, 118530, 128466, 133895, 154089, 160674, 171210, 177795, 214110, 241011, 256815, 267790, 308178, 321165, 348127, 355590, 401685, 462267, 482022, 513630, 642330, 696254, 723033, 770445, 803370, 924534, 1044381, 1205055, 1446066, 1540890, 1740635, 2088762, 2169099, 2311335, 2410110, 3133143, 3481270, 3615165, 4338198, 4622670, 5221905, 6266286, 7230330, 9399429, 10443810, 10845495, 15665715, 18798858, 21690990, 28198287, 31331430, 46997145, 56396574, 93994290, 140991435, 281982870]

約数ペア:

[(1, 281982870), (2, 140991435), (3, 93994290), (5, 56396574), (6, 46997145), (9, 31331430), (10, 28198287), (13, 21690990), (15, 18798858), (18, 15665715), (26, 10845495), (27, 10443810), (30, 9399429), (39, 7230330), (45, 6266286), (54, 5221905), (61, 4622670), (65, 4338198), (78, 3615165), (81, 3481270), (90, 3133143), (117, 2410110), (122, 2311335), (130, 2169099), (135, 2088762), (162, 1740635), (183, 1540890), (195, 1446066), (234, 1205055), (270, 1044381), (305, 924534), (351, 803370), (366, 770445), (390, 723033), (405, 696254), (439, 642330), (549, 513630), (585, 482022), (610, 462267), (702, 401685), (793, 355590), (810, 348127), (878, 321165), (915, 308178), (1053, 267790), (1098, 256815), (1170, 241011), (1317, 214110), (1586, 177795), (1647, 171210), (1755, 160674), (1830, 154089), (2106, 133895), (2195, 128466), (2379, 118530), (2634, 107055), (2745, 102726), (3294, 85605), (3510, 80337), (3951, 71370), (3965, 71118), (4390, 64233), (4758, 59265), (4941, 57070), (5265, 53558), (5490, 51363), (5707, 49410), (6585, 42822), (7137, 39510), (7902, 35685), (7930, 35559), (8235, 34242), (9882, 28535), (10530, 26779), (11414, 24705), (11853, 23790), (11895, 23706), (13170, 21411), (14274, 19755), (16470, 17121)]