180861240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{1549}}^1$

素因数の和:1709

約数の個数: 128

約数和(自身を含む): 624960000

約数和(自身を除く): 444098760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 139, 140, 168, 210, 278, 280, 417, 420, 556, 695, 834, 840, 973, 1112, 1390, 1549, 1668, 1946, 2085, 2780, 2919, 3098, 3336, 3892, 4170, 4647, 4865, 5560, 5838, 6196, 7745, 7784, 8340, 9294, 9730, 10843, 11676, 12392, 14595, 15490, 16680, 18588, 19460, 21686, 23235, 23352, 29190, 30980, 32529, 37176, 38920, 43372, 46470, 54215, 58380, 61960, 65058, 86744, 92940, 108430, 116760, 130116, 162645, 185880, 215311, 216860, 260232, 325290, 430622, 433720, 645933, 650580, 861244, 1076555, 1291866, 1301160, 1507177, 1722488, 2153110, 2583732, 3014354, 3229665, 4306220, 4521531, 5167464, 6028708, 6459330, 7535885, 8612440, 9043062, 12057416, 12918660, 15071770, 18086124, 22607655, 25837320, 30143540, 36172248, 45215310, 60287080, 90430620, 180861240]

約数ペア:

[(1, 180861240), (2, 90430620), (3, 60287080), (4, 45215310), (5, 36172248), (6, 30143540), (7, 25837320), (8, 22607655), (10, 18086124), (12, 15071770), (14, 12918660), (15, 12057416), (20, 9043062), (21, 8612440), (24, 7535885), (28, 6459330), (30, 6028708), (35, 5167464), (40, 4521531), (42, 4306220), (56, 3229665), (60, 3014354), (70, 2583732), (84, 2153110), (105, 1722488), (120, 1507177), (139, 1301160), (140, 1291866), (168, 1076555), (210, 861244), (278, 650580), (280, 645933), (417, 433720), (420, 430622), (556, 325290), (695, 260232), (834, 216860), (840, 215311), (973, 185880), (1112, 162645), (1390, 130116), (1549, 116760), (1668, 108430), (1946, 92940), (2085, 86744), (2780, 65058), (2919, 61960), (3098, 58380), (3336, 54215), (3892, 46470), (4170, 43372), (4647, 38920), (4865, 37176), (5560, 32529), (5838, 30980), (6196, 29190), (7745, 23352), (7784, 23235), (8340, 21686), (9294, 19460), (9730, 18588), (10843, 16680), (11676, 15490), (12392, 14595)]