81389910

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{6569}}^1$

素因数の和:6645

約数の個数: 64

約数和(自身を含む): 227059200

約数和(自身を除く): 145669290

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 59, 70, 105, 118, 177, 210, 295, 354, 413, 590, 826, 885, 1239, 1770, 2065, 2478, 4130, 6195, 6569, 12390, 13138, 19707, 32845, 39414, 45983, 65690, 91966, 98535, 137949, 197070, 229915, 275898, 387571, 459830, 689745, 775142, 1162713, 1379490, 1937855, 2325426, 2712997, 3875710, 5425994, 5813565, 8138991, 11627130, 13564985, 16277982, 27129970, 40694955, 81389910]

約数ペア:

[(1, 81389910), (2, 40694955), (3, 27129970), (5, 16277982), (6, 13564985), (7, 11627130), (10, 8138991), (14, 5813565), (15, 5425994), (21, 3875710), (30, 2712997), (35, 2325426), (42, 1937855), (59, 1379490), (70, 1162713), (105, 775142), (118, 689745), (177, 459830), (210, 387571), (295, 275898), (354, 229915), (413, 197070), (590, 137949), (826, 98535), (885, 91966), (1239, 65690), (1770, 45983), (2065, 39414), (2478, 32845), (4130, 19707), (6195, 13138), (6569, 12390)]