138787620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^2\times {\mathrm{83}}^1$

素因数の和:186

約数の個数: 144

約数和(自身を含む): 420396480

約数和(自身を除く): 281608860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 31, 58, 60, 62, 83, 87, 93, 116, 124, 145, 155, 166, 174, 186, 249, 290, 310, 332, 348, 372, 415, 435, 465, 498, 580, 620, 830, 870, 899, 930, 961, 996, 1245, 1660, 1740, 1798, 1860, 1922, 2407, 2490, 2573, 2697, 2883, 3596, 3844, 4495, 4805, 4814, 4980, 5146, 5394, 5766, 7221, 7719, 8990, 9610, 9628, 10292, 10788, 11532, 12035, 12865, 13485, 14415, 14442, 15438, 17980, 19220, 24070, 25730, 26970, 27869, 28830, 28884, 30876, 36105, 38595, 48140, 51460, 53940, 55738, 57660, 72210, 74617, 77190, 79763, 83607, 111476, 139345, 144420, 149234, 154380, 159526, 167214, 223851, 239289, 278690, 298468, 319052, 334428, 373085, 398815, 418035, 447702, 478578, 557380, 746170, 797630, 836070, 895404, 957156, 1119255, 1196445, 1492340, 1595260, 1672140, 2238510, 2313127, 2392890, 4477020, 4626254, 4785780, 6939381, 9252508, 11565635, 13878762, 23131270, 27757524, 34696905, 46262540, 69393810, 138787620]

約数ペア:

[(1, 138787620), (2, 69393810), (3, 46262540), (4, 34696905), (5, 27757524), (6, 23131270), (10, 13878762), (12, 11565635), (15, 9252508), (20, 6939381), (29, 4785780), (30, 4626254), (31, 4477020), (58, 2392890), (60, 2313127), (62, 2238510), (83, 1672140), (87, 1595260), (93, 1492340), (116, 1196445), (124, 1119255), (145, 957156), (155, 895404), (166, 836070), (174, 797630), (186, 746170), (249, 557380), (290, 478578), (310, 447702), (332, 418035), (348, 398815), (372, 373085), (415, 334428), (435, 319052), (465, 298468), (498, 278690), (580, 239289), (620, 223851), (830, 167214), (870, 159526), (899, 154380), (930, 149234), (961, 144420), (996, 139345), (1245, 111476), (1660, 83607), (1740, 79763), (1798, 77190), (1860, 74617), (1922, 72210), (2407, 57660), (2490, 55738), (2573, 53940), (2697, 51460), (2883, 48140), (3596, 38595), (3844, 36105), (4495, 30876), (4805, 28884), (4814, 28830), (4980, 27869), (5146, 26970), (5394, 25730), (5766, 24070), (7221, 19220), (7719, 17980), (8990, 15438), (9610, 14442), (9628, 14415), (10292, 13485), (10788, 12865), (11532, 12035)]