15639960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{433}}^1$

素因数の和:497

約数の個数: 128

約数和(自身を含む): 54996480

約数和(自身を除く): 39356520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 43, 56, 60, 70, 84, 86, 105, 120, 129, 140, 168, 172, 210, 215, 258, 280, 301, 344, 420, 430, 433, 516, 602, 645, 840, 860, 866, 903, 1032, 1204, 1290, 1299, 1505, 1720, 1732, 1806, 2165, 2408, 2580, 2598, 3010, 3031, 3464, 3612, 4330, 4515, 5160, 5196, 6020, 6062, 6495, 7224, 8660, 9030, 9093, 10392, 12040, 12124, 12990, 15155, 17320, 18060, 18186, 18619, 24248, 25980, 30310, 36120, 36372, 37238, 45465, 51960, 55857, 60620, 72744, 74476, 90930, 93095, 111714, 121240, 130333, 148952, 181860, 186190, 223428, 260666, 279285, 363720, 372380, 390999, 446856, 521332, 558570, 651665, 744760, 781998, 1042664, 1117140, 1303330, 1563996, 1954995, 2234280, 2606660, 3127992, 3909990, 5213320, 7819980, 15639960]

約数ペア:

[(1, 15639960), (2, 7819980), (3, 5213320), (4, 3909990), (5, 3127992), (6, 2606660), (7, 2234280), (8, 1954995), (10, 1563996), (12, 1303330), (14, 1117140), (15, 1042664), (20, 781998), (21, 744760), (24, 651665), (28, 558570), (30, 521332), (35, 446856), (40, 390999), (42, 372380), (43, 363720), (56, 279285), (60, 260666), (70, 223428), (84, 186190), (86, 181860), (105, 148952), (120, 130333), (129, 121240), (140, 111714), (168, 93095), (172, 90930), (210, 74476), (215, 72744), (258, 60620), (280, 55857), (301, 51960), (344, 45465), (420, 37238), (430, 36372), (433, 36120), (516, 30310), (602, 25980), (645, 24248), (840, 18619), (860, 18186), (866, 18060), (903, 17320), (1032, 15155), (1204, 12990), (1290, 12124), (1299, 12040), (1505, 10392), (1720, 9093), (1732, 9030), (1806, 8660), (2165, 7224), (2408, 6495), (2580, 6062), (2598, 6020), (3010, 5196), (3031, 5160), (3464, 4515), (3612, 4330)]