15547140

素因数分解:

$2^2\times 3^5\times 5^1\times 7^1\times {\mathrm{457}}^1$

素因数の和:488

約数の個数: 144

約数和(自身を含む): 56015232

約数和(自身を除く): 40468092

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, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 243, 252, 270, 315, 324, 378, 405, 420, 457, 486, 540, 567, 630, 756, 810, 914, 945, 972, 1134, 1215, 1260, 1371, 1620, 1701, 1828, 1890, 2268, 2285, 2430, 2742, 2835, 3199, 3402, 3780, 4113, 4570, 4860, 5484, 5670, 6398, 6804, 6855, 8226, 8505, 9140, 9597, 11340, 12339, 12796, 13710, 15995, 16452, 17010, 19194, 20565, 24678, 27420, 28791, 31990, 34020, 37017, 38388, 41130, 47985, 49356, 57582, 61695, 63980, 74034, 82260, 86373, 95970, 111051, 115164, 123390, 143955, 148068, 172746, 185085, 191940, 222102, 246780, 259119, 287910, 345492, 370170, 431865, 444204, 518238, 555255, 575820, 740340, 777357, 863730, 1036476, 1110510, 1295595, 1554714, 1727460, 2221020, 2591190, 3109428, 3886785, 5182380, 7773570, 15547140]

約数ペア:

[(1, 15547140), (2, 7773570), (3, 5182380), (4, 3886785), (5, 3109428), (6, 2591190), (7, 2221020), (9, 1727460), (10, 1554714), (12, 1295595), (14, 1110510), (15, 1036476), (18, 863730), (20, 777357), (21, 740340), (27, 575820), (28, 555255), (30, 518238), (35, 444204), (36, 431865), (42, 370170), (45, 345492), (54, 287910), (60, 259119), (63, 246780), (70, 222102), (81, 191940), (84, 185085), (90, 172746), (105, 148068), (108, 143955), (126, 123390), (135, 115164), (140, 111051), (162, 95970), (180, 86373), (189, 82260), (210, 74034), (243, 63980), (252, 61695), (270, 57582), (315, 49356), (324, 47985), (378, 41130), (405, 38388), (420, 37017), (457, 34020), (486, 31990), (540, 28791), (567, 27420), (630, 24678), (756, 20565), (810, 19194), (914, 17010), (945, 16452), (972, 15995), (1134, 13710), (1215, 12796), (1260, 12339), (1371, 11340), (1620, 9597), (1701, 9140), (1828, 8505), (1890, 8226), (2268, 6855), (2285, 6804), (2430, 6398), (2742, 5670), (2835, 5484), (3199, 4860), (3402, 4570), (3780, 4113)]