68640320

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{30643}}^1$

素因数の和:30667

約数の個数: 56

約数和(自身を含む): 186805824

約数和(自身を除く): 118165504

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 30643, 61286, 122572, 153215, 214501, 245144, 306430, 429002, 490288, 612860, 858004, 980576, 1072505, 1225720, 1716008, 1961152, 2145010, 2451440, 3432016, 4290020, 4902880, 6864032, 8580040, 9805760, 13728064, 17160080, 34320160, 68640320]

約数ペア:

[(1, 68640320), (2, 34320160), (4, 17160080), (5, 13728064), (7, 9805760), (8, 8580040), (10, 6864032), (14, 4902880), (16, 4290020), (20, 3432016), (28, 2451440), (32, 2145010), (35, 1961152), (40, 1716008), (56, 1225720), (64, 1072505), (70, 980576), (80, 858004), (112, 612860), (140, 490288), (160, 429002), (224, 306430), (280, 245144), (320, 214501), (448, 153215), (560, 122572), (1120, 61286), (2240, 30643)]