157080040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{457}}^1\times {\mathrm{661}}^1$

素因数の和:1142

約数の個数: 64

約数和(自身を含む): 382026960

約数和(自身を除く): 224946920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 457, 520, 661, 914, 1322, 1828, 2285, 2644, 3305, 3656, 4570, 5288, 5941, 6610, 8593, 9140, 11882, 13220, 17186, 18280, 23764, 26440, 29705, 34372, 42965, 47528, 59410, 68744, 85930, 118820, 171860, 237640, 302077, 343720, 604154, 1208308, 1510385, 2416616, 3020770, 3927001, 6041540, 7854002, 12083080, 15708004, 19635005, 31416008, 39270010, 78540020, 157080040]

約数ペア:

[(1, 157080040), (2, 78540020), (4, 39270010), (5, 31416008), (8, 19635005), (10, 15708004), (13, 12083080), (20, 7854002), (26, 6041540), (40, 3927001), (52, 3020770), (65, 2416616), (104, 1510385), (130, 1208308), (260, 604154), (457, 343720), (520, 302077), (661, 237640), (914, 171860), (1322, 118820), (1828, 85930), (2285, 68744), (2644, 59410), (3305, 47528), (3656, 42965), (4570, 34372), (5288, 29705), (5941, 26440), (6610, 23764), (8593, 18280), (9140, 17186), (11882, 13220)]