420806640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{491}}^1\times {\mathrm{3571}}^1$

素因数の和:4078

約数の個数: 80

約数和(自身を含む): 1307523456

約数和(自身を除く): 886716816

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 491, 982, 1473, 1964, 2455, 2946, 3571, 3928, 4910, 5892, 7142, 7365, 7856, 9820, 10713, 11784, 14284, 14730, 17855, 19640, 21426, 23568, 28568, 29460, 35710, 39280, 42852, 53565, 57136, 58920, 71420, 85704, 107130, 117840, 142840, 171408, 214260, 285680, 428520, 857040, 1753361, 3506722, 5260083, 7013444, 8766805, 10520166, 14026888, 17533610, 21040332, 26300415, 28053776, 35067220, 42080664, 52600830, 70134440, 84161328, 105201660, 140268880, 210403320, 420806640]

約数ペア:

[(1, 420806640), (2, 210403320), (3, 140268880), (4, 105201660), (5, 84161328), (6, 70134440), (8, 52600830), (10, 42080664), (12, 35067220), (15, 28053776), (16, 26300415), (20, 21040332), (24, 17533610), (30, 14026888), (40, 10520166), (48, 8766805), (60, 7013444), (80, 5260083), (120, 3506722), (240, 1753361), (491, 857040), (982, 428520), (1473, 285680), (1964, 214260), (2455, 171408), (2946, 142840), (3571, 117840), (3928, 107130), (4910, 85704), (5892, 71420), (7142, 58920), (7365, 57136), (7856, 53565), (9820, 42852), (10713, 39280), (11784, 35710), (14284, 29460), (14730, 28568), (17855, 23568), (19640, 21426)]