71720320

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{2287}}^1$

素因数の和:2320

約数の個数: 96

約数和(自身を含む): 199536480

約数和(自身を除く): 127816160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 280, 320, 392, 448, 490, 560, 640, 784, 896, 980, 1120, 1568, 1960, 2240, 2287, 3136, 3920, 4480, 4574, 6272, 7840, 9148, 11435, 15680, 16009, 18296, 22870, 31360, 32018, 36592, 45740, 64036, 73184, 80045, 91480, 112063, 128072, 146368, 160090, 182960, 224126, 256144, 292736, 320180, 365920, 448252, 512288, 560315, 640360, 731840, 896504, 1024576, 1120630, 1280720, 1463680, 1793008, 2049152, 2241260, 2561440, 3586016, 4482520, 5122880, 7172032, 8965040, 10245760, 14344064, 17930080, 35860160, 71720320]

約数ペア:

[(1, 71720320), (2, 35860160), (4, 17930080), (5, 14344064), (7, 10245760), (8, 8965040), (10, 7172032), (14, 5122880), (16, 4482520), (20, 3586016), (28, 2561440), (32, 2241260), (35, 2049152), (40, 1793008), (49, 1463680), (56, 1280720), (64, 1120630), (70, 1024576), (80, 896504), (98, 731840), (112, 640360), (128, 560315), (140, 512288), (160, 448252), (196, 365920), (224, 320180), (245, 292736), (280, 256144), (320, 224126), (392, 182960), (448, 160090), (490, 146368), (560, 128072), (640, 112063), (784, 91480), (896, 80045), (980, 73184), (1120, 64036), (1568, 45740), (1960, 36592), (2240, 32018), (2287, 31360), (3136, 22870), (3920, 18296), (4480, 16009), (4574, 15680), (6272, 11435), (7840, 9148)]