77983020

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{144413}}^1$

素因数の和:144431

約数の個数: 48

約数和(自身を含む): 242615520

約数和(自身を除く): 164632500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 144413, 288826, 433239, 577652, 722065, 866478, 1299717, 1444130, 1732956, 2166195, 2599434, 2888260, 3899151, 4332390, 5198868, 6498585, 7798302, 8664780, 12997170, 15596604, 19495755, 25994340, 38991510, 77983020]

約数ペア:

[(1, 77983020), (2, 38991510), (3, 25994340), (4, 19495755), (5, 15596604), (6, 12997170), (9, 8664780), (10, 7798302), (12, 6498585), (15, 5198868), (18, 4332390), (20, 3899151), (27, 2888260), (30, 2599434), (36, 2166195), (45, 1732956), (54, 1444130), (60, 1299717), (90, 866478), (108, 722065), (135, 577652), (180, 433239), (270, 288826), (540, 144413)]