71371980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{509}}^1$

素因数の和:584

約数の個数: 144

約数和(自身を含む): 233906400

約数和(自身を除く): 162534420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 41, 45, 57, 60, 76, 82, 90, 95, 114, 123, 164, 171, 180, 190, 205, 228, 246, 285, 342, 369, 380, 410, 492, 509, 570, 615, 684, 738, 779, 820, 855, 1018, 1140, 1230, 1476, 1527, 1558, 1710, 1845, 2036, 2337, 2460, 2545, 3054, 3116, 3420, 3690, 3895, 4581, 4674, 5090, 6108, 7011, 7380, 7635, 7790, 9162, 9348, 9671, 10180, 11685, 14022, 15270, 15580, 18324, 19342, 20869, 22905, 23370, 28044, 29013, 30540, 35055, 38684, 41738, 45810, 46740, 48355, 58026, 62607, 70110, 83476, 87039, 91620, 96710, 104345, 116052, 125214, 140220, 145065, 174078, 187821, 193420, 208690, 250428, 290130, 313035, 348156, 375642, 396511, 417380, 435195, 580260, 626070, 751284, 793022, 870390, 939105, 1189533, 1252140, 1586044, 1740780, 1878210, 1982555, 2379066, 3568599, 3756420, 3965110, 4758132, 5947665, 7137198, 7930220, 11895330, 14274396, 17842995, 23790660, 35685990, 71371980]

約数ペア:

[(1, 71371980), (2, 35685990), (3, 23790660), (4, 17842995), (5, 14274396), (6, 11895330), (9, 7930220), (10, 7137198), (12, 5947665), (15, 4758132), (18, 3965110), (19, 3756420), (20, 3568599), (30, 2379066), (36, 1982555), (38, 1878210), (41, 1740780), (45, 1586044), (57, 1252140), (60, 1189533), (76, 939105), (82, 870390), (90, 793022), (95, 751284), (114, 626070), (123, 580260), (164, 435195), (171, 417380), (180, 396511), (190, 375642), (205, 348156), (228, 313035), (246, 290130), (285, 250428), (342, 208690), (369, 193420), (380, 187821), (410, 174078), (492, 145065), (509, 140220), (570, 125214), (615, 116052), (684, 104345), (738, 96710), (779, 91620), (820, 87039), (855, 83476), (1018, 70110), (1140, 62607), (1230, 58026), (1476, 48355), (1527, 46740), (1558, 45810), (1710, 41738), (1845, 38684), (2036, 35055), (2337, 30540), (2460, 29013), (2545, 28044), (3054, 23370), (3116, 22905), (3420, 20869), (3690, 19342), (3895, 18324), (4581, 15580), (4674, 15270), (5090, 14022), (6108, 11685), (7011, 10180), (7380, 9671), (7635, 9348), (7790, 9162)]