181960380

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{144413}}^1$

素因数の和:144435

約数の個数: 72

約数和(自身を含む): 630800352

約数和(自身を除く): 448839972

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 144413, 288826, 433239, 577652, 722065, 866478, 1010891, 1299717, 1444130, 1732956, 2021782, 2166195, 2599434, 2888260, 3032673, 4043564, 4332390, 5054455, 5198868, 6065346, 6498585, 8664780, 9098019, 10108910, 12130692, 12997170, 15163365, 18196038, 20217820, 25994340, 30326730, 36392076, 45490095, 60653460, 90980190, 181960380]

約数ペア:

[(1, 181960380), (2, 90980190), (3, 60653460), (4, 45490095), (5, 36392076), (6, 30326730), (7, 25994340), (9, 20217820), (10, 18196038), (12, 15163365), (14, 12997170), (15, 12130692), (18, 10108910), (20, 9098019), (21, 8664780), (28, 6498585), (30, 6065346), (35, 5198868), (36, 5054455), (42, 4332390), (45, 4043564), (60, 3032673), (63, 2888260), (70, 2599434), (84, 2166195), (90, 2021782), (105, 1732956), (126, 1444130), (140, 1299717), (180, 1010891), (210, 866478), (252, 722065), (315, 577652), (420, 433239), (630, 288826), (1260, 144413)]