7819980

素因数分解:

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

素因数の和:495

約数の個数: 96

約数和(自身を含む): 25665024

約数和(自身を除く): 17845044

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 43, 60, 70, 84, 86, 105, 129, 140, 172, 210, 215, 258, 301, 420, 430, 433, 516, 602, 645, 860, 866, 903, 1204, 1290, 1299, 1505, 1732, 1806, 2165, 2580, 2598, 3010, 3031, 3612, 4330, 4515, 5196, 6020, 6062, 6495, 8660, 9030, 9093, 12124, 12990, 15155, 18060, 18186, 18619, 25980, 30310, 36372, 37238, 45465, 55857, 60620, 74476, 90930, 93095, 111714, 130333, 181860, 186190, 223428, 260666, 279285, 372380, 390999, 521332, 558570, 651665, 781998, 1117140, 1303330, 1563996, 1954995, 2606660, 3909990, 7819980]

約数ペア:

[(1, 7819980), (2, 3909990), (3, 2606660), (4, 1954995), (5, 1563996), (6, 1303330), (7, 1117140), (10, 781998), (12, 651665), (14, 558570), (15, 521332), (20, 390999), (21, 372380), (28, 279285), (30, 260666), (35, 223428), (42, 186190), (43, 181860), (60, 130333), (70, 111714), (84, 93095), (86, 90930), (105, 74476), (129, 60620), (140, 55857), (172, 45465), (210, 37238), (215, 36372), (258, 30310), (301, 25980), (420, 18619), (430, 18186), (433, 18060), (516, 15155), (602, 12990), (645, 12124), (860, 9093), (866, 9030), (903, 8660), (1204, 6495), (1290, 6062), (1299, 6020), (1505, 5196), (1732, 4515), (1806, 4330), (2165, 3612), (2580, 3031), (2598, 3010)]