31279920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{433}}^1$

素因数の和:499

約数の個数: 160

約数和(自身を含む): 113659392

約数和(自身を除く): 82379472

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 43, 48, 56, 60, 70, 80, 84, 86, 105, 112, 120, 129, 140, 168, 172, 210, 215, 240, 258, 280, 301, 336, 344, 420, 430, 433, 516, 560, 602, 645, 688, 840, 860, 866, 903, 1032, 1204, 1290, 1299, 1505, 1680, 1720, 1732, 1806, 2064, 2165, 2408, 2580, 2598, 3010, 3031, 3440, 3464, 3612, 4330, 4515, 4816, 5160, 5196, 6020, 6062, 6495, 6928, 7224, 8660, 9030, 9093, 10320, 10392, 12040, 12124, 12990, 14448, 15155, 17320, 18060, 18186, 18619, 20784, 24080, 24248, 25980, 30310, 34640, 36120, 36372, 37238, 45465, 48496, 51960, 55857, 60620, 72240, 72744, 74476, 90930, 93095, 103920, 111714, 121240, 130333, 145488, 148952, 181860, 186190, 223428, 242480, 260666, 279285, 297904, 363720, 372380, 390999, 446856, 521332, 558570, 651665, 727440, 744760, 781998, 893712, 1042664, 1117140, 1303330, 1489520, 1563996, 1954995, 2085328, 2234280, 2606660, 3127992, 3909990, 4468560, 5213320, 6255984, 7819980, 10426640, 15639960, 31279920]

約数ペア:

[(1, 31279920), (2, 15639960), (3, 10426640), (4, 7819980), (5, 6255984), (6, 5213320), (7, 4468560), (8, 3909990), (10, 3127992), (12, 2606660), (14, 2234280), (15, 2085328), (16, 1954995), (20, 1563996), (21, 1489520), (24, 1303330), (28, 1117140), (30, 1042664), (35, 893712), (40, 781998), (42, 744760), (43, 727440), (48, 651665), (56, 558570), (60, 521332), (70, 446856), (80, 390999), (84, 372380), (86, 363720), (105, 297904), (112, 279285), (120, 260666), (129, 242480), (140, 223428), (168, 186190), (172, 181860), (210, 148952), (215, 145488), (240, 130333), (258, 121240), (280, 111714), (301, 103920), (336, 93095), (344, 90930), (420, 74476), (430, 72744), (433, 72240), (516, 60620), (560, 55857), (602, 51960), (645, 48496), (688, 45465), (840, 37238), (860, 36372), (866, 36120), (903, 34640), (1032, 30310), (1204, 25980), (1290, 24248), (1299, 24080), (1505, 20784), (1680, 18619), (1720, 18186), (1732, 18060), (1806, 17320), (2064, 15155), (2165, 14448), (2408, 12990), (2580, 12124), (2598, 12040), (3010, 10392), (3031, 10320), (3440, 9093), (3464, 9030), (3612, 8660), (4330, 7224), (4515, 6928), (4816, 6495), (5160, 6062), (5196, 6020)]