80243730

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{42457}}^1$

素因数の和:42480

約数の個数: 64

約数和(自身を含む): 244558080

約数和(自身を除く): 164314350

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 42457, 84914, 127371, 212285, 254742, 297199, 382113, 424570, 594398, 636855, 764226, 891597, 1146339, 1273710, 1485995, 1783194, 1910565, 2292678, 2674791, 2971990, 3821130, 4457985, 5349582, 5731695, 8024373, 8915970, 11463390, 13373955, 16048746, 26747910, 40121865, 80243730]

約数ペア:

[(1, 80243730), (2, 40121865), (3, 26747910), (5, 16048746), (6, 13373955), (7, 11463390), (9, 8915970), (10, 8024373), (14, 5731695), (15, 5349582), (18, 4457985), (21, 3821130), (27, 2971990), (30, 2674791), (35, 2292678), (42, 1910565), (45, 1783194), (54, 1485995), (63, 1273710), (70, 1146339), (90, 891597), (105, 764226), (126, 636855), (135, 594398), (189, 424570), (210, 382113), (270, 297199), (315, 254742), (378, 212285), (630, 127371), (945, 84914), (1890, 42457)]