15687960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{547}}^1$

素因数の和:800

約数の個数: 64

約数和(自身を含む): 47347200

約数和(自身を除く): 31659240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 239, 478, 547, 717, 956, 1094, 1195, 1434, 1641, 1912, 2188, 2390, 2735, 2868, 3282, 3585, 4376, 4780, 5470, 5736, 6564, 7170, 8205, 9560, 10940, 13128, 14340, 16410, 21880, 28680, 32820, 65640, 130733, 261466, 392199, 522932, 653665, 784398, 1045864, 1307330, 1568796, 1960995, 2614660, 3137592, 3921990, 5229320, 7843980, 15687960]

約数ペア:

[(1, 15687960), (2, 7843980), (3, 5229320), (4, 3921990), (5, 3137592), (6, 2614660), (8, 1960995), (10, 1568796), (12, 1307330), (15, 1045864), (20, 784398), (24, 653665), (30, 522932), (40, 392199), (60, 261466), (120, 130733), (239, 65640), (478, 32820), (547, 28680), (717, 21880), (956, 16410), (1094, 14340), (1195, 13128), (1434, 10940), (1641, 9560), (1912, 8205), (2188, 7170), (2390, 6564), (2735, 5736), (2868, 5470), (3282, 4780), (3585, 4376)]