180454820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{263}}^1$

素因数の和:334

約数の個数: 144

約数和(自身を含む): 486984960

約数和(自身を除く): 306530140

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 29, 35, 52, 58, 65, 70, 91, 116, 130, 140, 145, 169, 182, 203, 260, 263, 290, 338, 364, 377, 406, 455, 526, 580, 676, 754, 812, 845, 910, 1015, 1052, 1183, 1315, 1508, 1690, 1820, 1841, 1885, 2030, 2366, 2630, 2639, 3380, 3419, 3682, 3770, 4060, 4732, 4901, 5260, 5278, 5915, 6838, 7364, 7540, 7627, 9205, 9802, 10556, 11830, 13195, 13676, 15254, 17095, 18410, 19604, 23660, 23933, 24505, 26390, 30508, 34190, 34307, 36820, 38135, 44447, 47866, 49010, 52780, 53389, 68380, 68614, 76270, 88894, 95732, 98020, 99151, 106778, 119665, 137228, 152540, 171535, 177788, 198302, 213556, 222235, 239330, 266945, 311129, 343070, 396604, 444470, 478660, 495755, 533890, 622258, 686140, 694057, 888940, 991510, 1067780, 1244516, 1288963, 1388114, 1555645, 1983020, 2577926, 2776228, 3111290, 3470285, 5155852, 6222580, 6444815, 6940570, 9022741, 12889630, 13881140, 18045482, 25779260, 36090964, 45113705, 90227410, 180454820]

約数ペア:

[(1, 180454820), (2, 90227410), (4, 45113705), (5, 36090964), (7, 25779260), (10, 18045482), (13, 13881140), (14, 12889630), (20, 9022741), (26, 6940570), (28, 6444815), (29, 6222580), (35, 5155852), (52, 3470285), (58, 3111290), (65, 2776228), (70, 2577926), (91, 1983020), (116, 1555645), (130, 1388114), (140, 1288963), (145, 1244516), (169, 1067780), (182, 991510), (203, 888940), (260, 694057), (263, 686140), (290, 622258), (338, 533890), (364, 495755), (377, 478660), (406, 444470), (455, 396604), (526, 343070), (580, 311129), (676, 266945), (754, 239330), (812, 222235), (845, 213556), (910, 198302), (1015, 177788), (1052, 171535), (1183, 152540), (1315, 137228), (1508, 119665), (1690, 106778), (1820, 99151), (1841, 98020), (1885, 95732), (2030, 88894), (2366, 76270), (2630, 68614), (2639, 68380), (3380, 53389), (3419, 52780), (3682, 49010), (3770, 47866), (4060, 44447), (4732, 38135), (4901, 36820), (5260, 34307), (5278, 34190), (5915, 30508), (6838, 26390), (7364, 24505), (7540, 23933), (7627, 23660), (9205, 19604), (9802, 18410), (10556, 17095), (11830, 15254), (13195, 13676)]