15438780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{12253}}^1$

素因数の和:12275

約数の個数: 72

約数和(自身を含む): 53525472

約数和(自身を除く): 38086692

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 12253, 24506, 36759, 49012, 61265, 73518, 85771, 110277, 122530, 147036, 171542, 183795, 220554, 245060, 257313, 343084, 367590, 428855, 441108, 514626, 551385, 735180, 771939, 857710, 1029252, 1102770, 1286565, 1543878, 1715420, 2205540, 2573130, 3087756, 3859695, 5146260, 7719390, 15438780]

約数ペア:

[(1, 15438780), (2, 7719390), (3, 5146260), (4, 3859695), (5, 3087756), (6, 2573130), (7, 2205540), (9, 1715420), (10, 1543878), (12, 1286565), (14, 1102770), (15, 1029252), (18, 857710), (20, 771939), (21, 735180), (28, 551385), (30, 514626), (35, 441108), (36, 428855), (42, 367590), (45, 343084), (60, 257313), (63, 245060), (70, 220554), (84, 183795), (90, 171542), (105, 147036), (126, 122530), (140, 110277), (180, 85771), (210, 73518), (252, 61265), (315, 49012), (420, 36759), (630, 24506), (1260, 12253)]