201521712840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{239906801}}^1$

素因数の和:239906822

約数の個数: 64

約数和(自身を含む): 690931589760

約数和(自身を除く): 489409876920

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, 239906801, 479813602, 719720403, 959627204, 1199534005, 1439440806, 1679347607, 1919254408, 2399068010, 2878881612, 3358695214, 3598602015, 4798136020, 5038042821, 5757763224, 6717390428, 7197204030, 8396738035, 9596272040, 10076085642, 13434780856, 14394408060, 16793476070, 20152171284, 25190214105, 28788816120, 33586952140, 40304342568, 50380428210, 67173904280, 100760856420, 201521712840]

約数ペア:

[(1, 201521712840), (2, 100760856420), (3, 67173904280), (4, 50380428210), (5, 40304342568), (6, 33586952140), (7, 28788816120), (8, 25190214105), (10, 20152171284), (12, 16793476070), (14, 14394408060), (15, 13434780856), (20, 10076085642), (21, 9596272040), (24, 8396738035), (28, 7197204030), (30, 6717390428), (35, 5757763224), (40, 5038042821), (42, 4798136020), (56, 3598602015), (60, 3358695214), (70, 2878881612), (84, 2399068010), (105, 1919254408), (120, 1679347607), (140, 1439440806), (168, 1199534005), (210, 959627204), (280, 719720403), (420, 479813602), (840, 239906801)]