172559820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{40507}}^1$

素因数の和:40590

約数の個数: 48

約数和(自身を含む): 489984768

約数和(自身を除く): 317424948

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 710, 852, 1065, 1420, 2130, 4260, 40507, 81014, 121521, 162028, 202535, 243042, 405070, 486084, 607605, 810140, 1215210, 2430420, 2875997, 5751994, 8627991, 11503988, 14379985, 17255982, 28759970, 34511964, 43139955, 57519940, 86279910, 172559820]

約数ペア:

[(1, 172559820), (2, 86279910), (3, 57519940), (4, 43139955), (5, 34511964), (6, 28759970), (10, 17255982), (12, 14379985), (15, 11503988), (20, 8627991), (30, 5751994), (60, 2875997), (71, 2430420), (142, 1215210), (213, 810140), (284, 607605), (355, 486084), (426, 405070), (710, 243042), (852, 202535), (1065, 162028), (1420, 121521), (2130, 81014), (4260, 40507)]