38777940

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1$

素因数の和:204

約数の個数: 144

約数和(自身を含む): 124750080

約数和(自身を除く): 85972140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 79, 81, 90, 101, 108, 135, 158, 162, 180, 202, 237, 243, 270, 303, 316, 324, 395, 404, 405, 474, 486, 505, 540, 606, 711, 790, 810, 909, 948, 972, 1010, 1185, 1212, 1215, 1422, 1515, 1580, 1620, 1818, 2020, 2133, 2370, 2430, 2727, 2844, 3030, 3555, 3636, 4266, 4545, 4740, 4860, 5454, 6060, 6399, 7110, 7979, 8181, 8532, 9090, 10665, 10908, 12798, 13635, 14220, 15958, 16362, 18180, 19197, 21330, 23937, 24543, 25596, 27270, 31916, 31995, 32724, 38394, 39895, 40905, 42660, 47874, 49086, 54540, 63990, 71811, 76788, 79790, 81810, 95748, 95985, 98172, 119685, 122715, 127980, 143622, 159580, 163620, 191970, 215433, 239370, 245430, 287244, 359055, 383940, 430866, 478740, 490860, 646299, 718110, 861732, 1077165, 1292598, 1436220, 1938897, 2154330, 2585196, 3231495, 3877794, 4308660, 6462990, 7755588, 9694485, 12925980, 19388970, 38777940]

約数ペア:

[(1, 38777940), (2, 19388970), (3, 12925980), (4, 9694485), (5, 7755588), (6, 6462990), (9, 4308660), (10, 3877794), (12, 3231495), (15, 2585196), (18, 2154330), (20, 1938897), (27, 1436220), (30, 1292598), (36, 1077165), (45, 861732), (54, 718110), (60, 646299), (79, 490860), (81, 478740), (90, 430866), (101, 383940), (108, 359055), (135, 287244), (158, 245430), (162, 239370), (180, 215433), (202, 191970), (237, 163620), (243, 159580), (270, 143622), (303, 127980), (316, 122715), (324, 119685), (395, 98172), (404, 95985), (405, 95748), (474, 81810), (486, 79790), (505, 76788), (540, 71811), (606, 63990), (711, 54540), (790, 49086), (810, 47874), (909, 42660), (948, 40905), (972, 39895), (1010, 38394), (1185, 32724), (1212, 31995), (1215, 31916), (1422, 27270), (1515, 25596), (1580, 24543), (1620, 23937), (1818, 21330), (2020, 19197), (2133, 18180), (2370, 16362), (2430, 15958), (2727, 14220), (2844, 13635), (3030, 12798), (3555, 10908), (3636, 10665), (4266, 9090), (4545, 8532), (4740, 8181), (4860, 7979), (5454, 7110), (6060, 6399)]