280252980

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{491}}^1$

素因数の和:667

約数の個数: 192

約数和(自身を含む): 1005096960

約数和(自身を除く): 724843980

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 151, 180, 189, 210, 252, 270, 302, 315, 378, 420, 453, 491, 540, 604, 630, 755, 756, 906, 945, 982, 1057, 1260, 1359, 1473, 1510, 1812, 1890, 1964, 2114, 2265, 2455, 2718, 2946, 3020, 3171, 3437, 3780, 4077, 4228, 4419, 4530, 4910, 5285, 5436, 5892, 6342, 6795, 6874, 7365, 8154, 8838, 9060, 9513, 9820, 10311, 10570, 12684, 13257, 13590, 13748, 14730, 15855, 16308, 17185, 17676, 19026, 20385, 20622, 21140, 22095, 26514, 27180, 28539, 29460, 30933, 31710, 34370, 38052, 40770, 41244, 44190, 47565, 51555, 53028, 57078, 61866, 63420, 66285, 68740, 74141, 81540, 88380, 92799, 95130, 103110, 114156, 123732, 132570, 142695, 148282, 154665, 185598, 190260, 206220, 222423, 265140, 285390, 296564, 309330, 370705, 371196, 444846, 463995, 518987, 570780, 618660, 667269, 741410, 889692, 927990, 1037974, 1112115, 1334538, 1482820, 1556961, 1855980, 2001807, 2075948, 2224230, 2594935, 2669076, 3113922, 3336345, 4003614, 4448460, 4670883, 5189870, 6227844, 6672690, 7784805, 8007228, 9341766, 10009035, 10379740, 13345380, 14012649, 15569610, 18683532, 20018070, 23354415, 28025298, 31139220, 40036140, 46708830, 56050596, 70063245, 93417660, 140126490, 280252980]

約数ペア:

[(1, 280252980), (2, 140126490), (3, 93417660), (4, 70063245), (5, 56050596), (6, 46708830), (7, 40036140), (9, 31139220), (10, 28025298), (12, 23354415), (14, 20018070), (15, 18683532), (18, 15569610), (20, 14012649), (21, 13345380), (27, 10379740), (28, 10009035), (30, 9341766), (35, 8007228), (36, 7784805), (42, 6672690), (45, 6227844), (54, 5189870), (60, 4670883), (63, 4448460), (70, 4003614), (84, 3336345), (90, 3113922), (105, 2669076), (108, 2594935), (126, 2224230), (135, 2075948), (140, 2001807), (151, 1855980), (180, 1556961), (189, 1482820), (210, 1334538), (252, 1112115), (270, 1037974), (302, 927990), (315, 889692), (378, 741410), (420, 667269), (453, 618660), (491, 570780), (540, 518987), (604, 463995), (630, 444846), (755, 371196), (756, 370705), (906, 309330), (945, 296564), (982, 285390), (1057, 265140), (1260, 222423), (1359, 206220), (1473, 190260), (1510, 185598), (1812, 154665), (1890, 148282), (1964, 142695), (2114, 132570), (2265, 123732), (2455, 114156), (2718, 103110), (2946, 95130), (3020, 92799), (3171, 88380), (3437, 81540), (3780, 74141), (4077, 68740), (4228, 66285), (4419, 63420), (4530, 61866), (4910, 57078), (5285, 53028), (5436, 51555), (5892, 47565), (6342, 44190), (6795, 41244), (6874, 40770), (7365, 38052), (8154, 34370), (8838, 31710), (9060, 30933), (9513, 29460), (9820, 28539), (10311, 27180), (10570, 26514), (12684, 22095), (13257, 21140), (13590, 20622), (13748, 20385), (14730, 19026), (15855, 17676), (16308, 17185)]