420876120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{501043}}^1$

素因数の和:501064

約数の個数: 64

約数和(自身を含む): 1443006720

約数和(自身を除く): 1022130600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 501043, 1002086, 1503129, 2004172, 2505215, 3006258, 3507301, 4008344, 5010430, 6012516, 7014602, 7515645, 10020860, 10521903, 12025032, 14029204, 15031290, 17536505, 20041720, 21043806, 28058408, 30062580, 35073010, 42087612, 52609515, 60125160, 70146020, 84175224, 105219030, 140292040, 210438060, 420876120]

約数ペア:

[(1, 420876120), (2, 210438060), (3, 140292040), (4, 105219030), (5, 84175224), (6, 70146020), (7, 60125160), (8, 52609515), (10, 42087612), (12, 35073010), (14, 30062580), (15, 28058408), (20, 21043806), (21, 20041720), (24, 17536505), (28, 15031290), (30, 14029204), (35, 12025032), (40, 10521903), (42, 10020860), (56, 7515645), (60, 7014602), (70, 6012516), (84, 5010430), (105, 4008344), (120, 3507301), (140, 3006258), (168, 2505215), (210, 2004172), (280, 1503129), (420, 1002086), (840, 501043)]