15400840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4231}}^1$

素因数の和:4262

約数の個数: 64

約数和(自身を含む): 42658560

約数和(自身を除く): 27257720

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 4231, 8462, 16924, 21155, 29617, 33848, 42310, 55003, 59234, 84620, 110006, 118468, 148085, 169240, 220012, 236936, 275015, 296170, 385021, 440024, 550030, 592340, 770042, 1100060, 1184680, 1540084, 1925105, 2200120, 3080168, 3850210, 7700420, 15400840]

約数ペア:

[(1, 15400840), (2, 7700420), (4, 3850210), (5, 3080168), (7, 2200120), (8, 1925105), (10, 1540084), (13, 1184680), (14, 1100060), (20, 770042), (26, 592340), (28, 550030), (35, 440024), (40, 385021), (52, 296170), (56, 275015), (65, 236936), (70, 220012), (91, 169240), (104, 148085), (130, 118468), (140, 110006), (182, 84620), (260, 59234), (280, 55003), (364, 42310), (455, 33848), (520, 29617), (728, 21155), (910, 16924), (1820, 8462), (3640, 4231)]