281215530

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{311}}^1$

素因数の和:541

約数の個数: 128

約数和(自身を含む): 800616960

約数和(自身を除く): 519401430

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 27, 30, 34, 45, 51, 54, 85, 90, 102, 135, 153, 170, 197, 255, 270, 306, 311, 394, 459, 510, 591, 622, 765, 918, 933, 985, 1182, 1530, 1555, 1773, 1866, 1970, 2295, 2799, 2955, 3110, 3349, 3546, 4590, 4665, 5287, 5319, 5598, 5910, 6698, 8397, 8865, 9330, 10047, 10574, 10638, 13995, 15861, 16745, 16794, 17730, 20094, 26435, 26595, 27990, 30141, 31722, 33490, 41985, 47583, 50235, 52870, 53190, 60282, 61267, 79305, 83970, 90423, 95166, 100470, 122534, 142749, 150705, 158610, 180846, 183801, 237915, 285498, 301410, 306335, 367602, 452115, 475830, 551403, 612670, 713745, 904230, 919005, 1041539, 1102806, 1427490, 1654209, 1838010, 2083078, 2757015, 3124617, 3308418, 5207695, 5514030, 6249234, 8271045, 9373851, 10415390, 15623085, 16542090, 18747702, 28121553, 31246170, 46869255, 56243106, 93738510, 140607765, 281215530]

約数ペア:

[(1, 281215530), (2, 140607765), (3, 93738510), (5, 56243106), (6, 46869255), (9, 31246170), (10, 28121553), (15, 18747702), (17, 16542090), (18, 15623085), (27, 10415390), (30, 9373851), (34, 8271045), (45, 6249234), (51, 5514030), (54, 5207695), (85, 3308418), (90, 3124617), (102, 2757015), (135, 2083078), (153, 1838010), (170, 1654209), (197, 1427490), (255, 1102806), (270, 1041539), (306, 919005), (311, 904230), (394, 713745), (459, 612670), (510, 551403), (591, 475830), (622, 452115), (765, 367602), (918, 306335), (933, 301410), (985, 285498), (1182, 237915), (1530, 183801), (1555, 180846), (1773, 158610), (1866, 150705), (1970, 142749), (2295, 122534), (2799, 100470), (2955, 95166), (3110, 90423), (3349, 83970), (3546, 79305), (4590, 61267), (4665, 60282), (5287, 53190), (5319, 52870), (5598, 50235), (5910, 47583), (6698, 41985), (8397, 33490), (8865, 31722), (9330, 30141), (10047, 27990), (10574, 26595), (10638, 26435), (13995, 20094), (15861, 17730), (16745, 16794)]