72233840

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{18427}}^1$

素因数の和:18454

約数の個数: 60

約数和(自身を含む): 195373656

約数和(自身を除く): 123139816

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 18427, 36854, 73708, 92135, 128989, 147416, 184270, 257978, 294832, 368540, 515956, 644945, 737080, 902923, 1031912, 1289890, 1474160, 1805846, 2063824, 2579780, 3611692, 4514615, 5159560, 7223384, 9029230, 10319120, 14446768, 18058460, 36116920, 72233840]

約数ペア:

[(1, 72233840), (2, 36116920), (4, 18058460), (5, 14446768), (7, 10319120), (8, 9029230), (10, 7223384), (14, 5159560), (16, 4514615), (20, 3611692), (28, 2579780), (35, 2063824), (40, 1805846), (49, 1474160), (56, 1289890), (70, 1031912), (80, 902923), (98, 737080), (112, 644945), (140, 515956), (196, 368540), (245, 294832), (280, 257978), (392, 184270), (490, 147416), (560, 128989), (784, 92135), (980, 73708), (1960, 36854), (3920, 18427)]