180318440

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{1103}}^1$

素因数の和:1242

約数の個数: 64

約数和(自身を含む): 418901760

約数和(自身を除く): 238583320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 67, 122, 134, 244, 268, 305, 335, 488, 536, 610, 670, 1103, 1220, 1340, 2206, 2440, 2680, 4087, 4412, 5515, 8174, 8824, 11030, 16348, 20435, 22060, 32696, 40870, 44120, 67283, 73901, 81740, 134566, 147802, 163480, 269132, 295604, 336415, 369505, 538264, 591208, 672830, 739010, 1345660, 1478020, 2691320, 2956040, 4507961, 9015922, 18031844, 22539805, 36063688, 45079610, 90159220, 180318440]

約数ペア:

[(1, 180318440), (2, 90159220), (4, 45079610), (5, 36063688), (8, 22539805), (10, 18031844), (20, 9015922), (40, 4507961), (61, 2956040), (67, 2691320), (122, 1478020), (134, 1345660), (244, 739010), (268, 672830), (305, 591208), (335, 538264), (488, 369505), (536, 336415), (610, 295604), (670, 269132), (1103, 163480), (1220, 147802), (1340, 134566), (2206, 81740), (2440, 73901), (2680, 67283), (4087, 44120), (4412, 40870), (5515, 32696), (8174, 22060), (8824, 20435), (11030, 16348)]