181506390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{2087}}^1$

素因数の和:2333

約数の個数: 64

約数和(自身を含む): 471453696

約数和(自身を除く): 289947306

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 223, 390, 446, 669, 1115, 1338, 2087, 2230, 2899, 3345, 4174, 5798, 6261, 6690, 8697, 10435, 12522, 14495, 17394, 20870, 27131, 28990, 31305, 43485, 54262, 62610, 81393, 86970, 135655, 162786, 271310, 406965, 465401, 813930, 930802, 1396203, 2327005, 2792406, 4654010, 6050213, 6981015, 12100426, 13962030, 18150639, 30251065, 36301278, 60502130, 90753195, 181506390]

約数ペア:

[(1, 181506390), (2, 90753195), (3, 60502130), (5, 36301278), (6, 30251065), (10, 18150639), (13, 13962030), (15, 12100426), (26, 6981015), (30, 6050213), (39, 4654010), (65, 2792406), (78, 2327005), (130, 1396203), (195, 930802), (223, 813930), (390, 465401), (446, 406965), (669, 271310), (1115, 162786), (1338, 135655), (2087, 86970), (2230, 81393), (2899, 62610), (3345, 54262), (4174, 43485), (5798, 31305), (6261, 28990), (6690, 27131), (8697, 20870), (10435, 17394), (12522, 14495)]