138947580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{673}}^1$

素因数の和:756

約数の個数: 144

約数和(自身を含む): 447492864

約数和(自身を除く): 308545284

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 37, 45, 60, 62, 74, 90, 93, 111, 124, 148, 155, 180, 185, 186, 222, 279, 310, 333, 370, 372, 444, 465, 555, 558, 620, 666, 673, 740, 930, 1110, 1116, 1147, 1332, 1346, 1395, 1665, 1860, 2019, 2220, 2294, 2692, 2790, 3330, 3365, 3441, 4038, 4588, 5580, 5735, 6057, 6660, 6730, 6882, 8076, 10095, 10323, 11470, 12114, 13460, 13764, 17205, 20190, 20646, 20863, 22940, 24228, 24901, 30285, 34410, 40380, 41292, 41726, 49802, 51615, 60570, 62589, 68820, 74703, 83452, 99604, 103230, 104315, 121140, 124505, 125178, 149406, 187767, 206460, 208630, 224109, 249010, 250356, 298812, 312945, 373515, 375534, 417260, 448218, 498020, 625890, 747030, 751068, 771931, 896436, 938835, 1120545, 1251780, 1494060, 1543862, 1877670, 2241090, 2315793, 3087724, 3755340, 3859655, 4482180, 4631586, 6947379, 7719310, 9263172, 11578965, 13894758, 15438620, 23157930, 27789516, 34736895, 46315860, 69473790, 138947580]

約数ペア:

[(1, 138947580), (2, 69473790), (3, 46315860), (4, 34736895), (5, 27789516), (6, 23157930), (9, 15438620), (10, 13894758), (12, 11578965), (15, 9263172), (18, 7719310), (20, 6947379), (30, 4631586), (31, 4482180), (36, 3859655), (37, 3755340), (45, 3087724), (60, 2315793), (62, 2241090), (74, 1877670), (90, 1543862), (93, 1494060), (111, 1251780), (124, 1120545), (148, 938835), (155, 896436), (180, 771931), (185, 751068), (186, 747030), (222, 625890), (279, 498020), (310, 448218), (333, 417260), (370, 375534), (372, 373515), (444, 312945), (465, 298812), (555, 250356), (558, 249010), (620, 224109), (666, 208630), (673, 206460), (740, 187767), (930, 149406), (1110, 125178), (1116, 124505), (1147, 121140), (1332, 104315), (1346, 103230), (1395, 99604), (1665, 83452), (1860, 74703), (2019, 68820), (2220, 62589), (2294, 60570), (2692, 51615), (2790, 49802), (3330, 41726), (3365, 41292), (3441, 40380), (4038, 34410), (4588, 30285), (5580, 24901), (5735, 24228), (6057, 22940), (6660, 20863), (6730, 20646), (6882, 20190), (8076, 17205), (10095, 13764), (10323, 13460), (11470, 12114)]