65679720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{449}}^1$

素因数の和:539

約数の個数: 128

約数和(自身を含む): 209952000

約数和(自身を除く): 144272280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 53, 60, 69, 92, 106, 115, 120, 138, 159, 184, 212, 230, 265, 276, 318, 345, 424, 449, 460, 530, 552, 636, 690, 795, 898, 920, 1060, 1219, 1272, 1347, 1380, 1590, 1796, 2120, 2245, 2438, 2694, 2760, 3180, 3592, 3657, 4490, 4876, 5388, 6095, 6360, 6735, 7314, 8980, 9752, 10327, 10776, 12190, 13470, 14628, 17960, 18285, 20654, 23797, 24380, 26940, 29256, 30981, 36570, 41308, 47594, 48760, 51635, 53880, 61962, 71391, 73140, 82616, 95188, 103270, 118985, 123924, 142782, 146280, 154905, 190376, 206540, 237970, 247848, 285564, 309810, 356955, 413080, 475940, 547331, 571128, 619620, 713910, 951880, 1094662, 1239240, 1427820, 1641993, 2189324, 2736655, 2855640, 3283986, 4378648, 5473310, 6567972, 8209965, 10946620, 13135944, 16419930, 21893240, 32839860, 65679720]

約数ペア:

[(1, 65679720), (2, 32839860), (3, 21893240), (4, 16419930), (5, 13135944), (6, 10946620), (8, 8209965), (10, 6567972), (12, 5473310), (15, 4378648), (20, 3283986), (23, 2855640), (24, 2736655), (30, 2189324), (40, 1641993), (46, 1427820), (53, 1239240), (60, 1094662), (69, 951880), (92, 713910), (106, 619620), (115, 571128), (120, 547331), (138, 475940), (159, 413080), (184, 356955), (212, 309810), (230, 285564), (265, 247848), (276, 237970), (318, 206540), (345, 190376), (424, 154905), (449, 146280), (460, 142782), (530, 123924), (552, 118985), (636, 103270), (690, 95188), (795, 82616), (898, 73140), (920, 71391), (1060, 61962), (1219, 53880), (1272, 51635), (1347, 48760), (1380, 47594), (1590, 41308), (1796, 36570), (2120, 30981), (2245, 29256), (2438, 26940), (2694, 24380), (2760, 23797), (3180, 20654), (3592, 18285), (3657, 17960), (4490, 14628), (4876, 13470), (5388, 12190), (6095, 10776), (6360, 10327), (6735, 9752), (7314, 8980)]